I think lifetime PS5 pretty likely won't outsell Switch due to mainly these reasons:
- PS5 couldn't benefit of the covid bump as Switch did, it had supply constrain during that key period instead
- Inflation + covid caused components + shipments costs increase that damaged its hardware profitability to the point it couldn't apply price cuts and instead had to increase its costs. Plus pretty likely won't be able to apply price cuts in the future
Regarding final lifetime sales estimates for PS5, I think they will end somewhere between PS4 and Switch/PS2. Closer to Switch/PS2 than to PS4 due to different reasons:
- Half of the PS userbase still is in PS4 and didn't make the jump because PS4 is still getting great support with crossgen games and GaaS. At some point they'll make the jump, probably once the top sellers GTA, CoD, EAFC, AC etc stop supporting PS4.
- We saw in the leaked files that around half of PS5 customers are new to PS, meaning despite selling very well, they are growing their userbase with new users, who may be coming from different sources:
- Growing their userbase in Asia thanks to partnerships with local teams like Mihoyo or Shift Up, Netease etc. and initiatives like China/India/etc Hero Project
- Growing their fanbase in PC and some of these users later moving to PS5 to get the games only available (at least temporally) there
- Growing their market share in consoles: some Xbox and Switch users may be moving to PS
- Growing their fanbase via movies and TV shows, and part of them may end getting a console to see their original gaming version
- Growing their fanbase by approaching new genres/user types with very successful first party titles as are Destiny, Helldivers 2 or Astro Bot
- They still didn't have any price cut, and instead they had to increase the price. Even if I think isn't likely, if they manage to increase their profitability elsewhere maybe things change or they find a way to price cut the console in a sustainable way, which would bump its hardware sales
If PS5 is already trending 2 million or so behind PS4 launch-aligned, and there is nothing on the horizon that's really signaling it'd catch up to (let alone surpass) that trajectory in the next four years (aside maybe GTA6, but I doubt that'd be enough), I don't see how you think it'll get between PS4 and Switch/PS2 for install base numbers. Sony would need to produce a low-cost PS5 alternative to achieve such a thing (among other things), but that won't be happening this generation.
And some other things: you talk about PS4 users not upgrading, which is true. But you aren't considering that some of them may have already transitioned to other platforms like Nintendo, PC (mainly Steam), or even mobile. And some smaller percentage might have just exited the market altogether, or they will continue to stick with PS4 through the rest of the generation because they know other big games like Fortnite, Madden etc. will be on PS4. Even supposing the PS4 support dries up, given Steam is getting all the same 3P support (and vast majority of that Day 1), PS4 users holding on obviously don't "need" a platform as capable as PS5 to have what's a workable gaming solution to them. They would just likely get a decent gaming PC or laptop and be fine running games at Low settings or 1080p. They're comfortable with that; Steam GPU survey charts show us such.
As far as PS5 growing its userbase in Asia, I still think this is relatively small in absolute numbers. Growing 1000% sounds impressive as a percentage, but if it's 1000% over 100 units, that just means you're now moving 1,000 units. In India, PS5 moved 60K in 2022. That's 60K...for the entire year, in the world's most populated country. Comparatively, the stagnant console gaming market of Japan is still seeing PS5 net about 60K monthly (maybe minus 10-15K) in a single month, and before the price jump, it was netting something close to 60K in just two weeks. So if people are going with the idea that country population sizes correlate to buying power, they are probably going to be surprised that PS5 likely doesn't get hard numbers in places like India and China anywhere close to what they've managed in the US. And with places like China in particular, that's in large part because PC gaming is already so entrenched there. So games like BMW won't do massive things for PS5 in China when they're primarily being pushed for PC.
In terms of price cuts, there likely won't be any until near the end of the generation. My guess is SIE will want to use PS5 & PS5 Pro as the low & mid (respectively) entry points to the PS hardware ecosystem, while positioning PS6 as the high-end option. I think that also means they'll be even more aggressive with cross-gen support, so I won't be surprised if PS5 is still getting most of the big 1P AAA titles up to even halfway through PS6's lifecycle, maybe even a bit longer. That will probably incentivize continued PS5 & PS5 Pro production, so in terms of your earlier expectations of PS5 getting closer to Switch/PS2 numbers, ironically this would be the only real means how that ends up happening. They just keep producing PS5s at suitable volumes for 10, 12, maybe even 15 years.
As can be seen in the graphs, sales say there's no self-sabotage because sales are basically on par with PS4 even if they had the shortages issue and price increase instead of price cut. Plus on top of this they are stealing market share to MS and Nintendo.
"Basically on par" in reality means ~ 2 million behind PS4 launch-aligned. So factually, they're trailing behind. And the numbers in that graph show they aren't really "stealing" market share from Nintendo or even Microsoft; the market is just shrinking because Switch is in its twilight year and Xbox is bleeding out. Yes PlayStation is getting some of that, but I'd venture to say most of the Xbox bleed is actually just migrating to PC and have been for a while at this point.
Especially when you consider a lot of those Xbox people probably also had or would've considering getting a PlayStation for exclusives, now seeing SIE's strategy with PC could've just decided they're good going to PC & Steam and getting MS & SIE's games in one place, even if they may have to wait a bit for some of SIE's titles.
We also saw that in the leaked docs that half of the PS5 sales were to new users, in a volume that can't be only from Xbox. As Hermen and Nishino said PC isn't stealing users, it is adding new players to PS instead.
SIE could be using any number of metrics to decide what's a new user, we don't know. Some of those new users could be from Nintendo and mobile, not just Xbox and PC. What we do know is that, even with those new users (keep in mind, that was just for a very specific time frame of sales, so not lifetime), PS5 is still about ~ 2 million paced behind PS4.
So if they're getting all these new users from PC (which I have doubts), they must also be losing a good number of old users
to PC. It'd be working both ways.