Yes.
The big publishers barring either potential legal issues/toxicity/etc. or just doing too much stuff that leads to them losing a lot of money to where they need to sell, the vast majority of them will be just fine. Those that sell are for one of the two reasons above or there's shareholders and investors that simply want to cash out.
There's hundreds of publishers worldwide and majority aren't even known and there's thousands of development studios and majority of them aren't even known. The possibility of getting a lot of these almost non-existent publishers and development studios under a bigger publisher would only make them better, put a spotlight on them and make their games get more focus and attention.
PlayStation, Xbox and Switch have thousands of games on them. Most of which are either bad, mediocre, broken, or so obscure that unless you really research games, you'll most likely never find them. Then there's hidden gems and the underrated games that majority will never find let alone play because they simply get ignored by the vast majority.
I'm not an Indie guy nor do I have any interest in playing those 8/16 bit retro games. However, if there was a few "big" publishers for these games where all the studios could just be under a few "big" publishers, it would make their games better and get focus, attention and spotlight which would lead to more sales and/or higher player counts. Also, in an era of free to play games, most games in general in general are simply going to be lost in the massive catalog of games because a lot of people just stick to their few games every year and that's it. Since free to play is massive, majority of casual gamers will never look at any of these games whatsoever.
When I say a "big" publisher, I don't mean a platform holder or even a third party publisher. I mean a small publisher that relies on Indies, someone like Devolver where they mostly stay with Indies and an AA game here and there. They have a good following so if they were to get a lot of these small Indie studios that are basically unknown and trying to break in along with say Annapurna and maybe one or two others and condense it all into just the few publishers, I believe that would do wonders for all these small Indie studios and games because unless you're a Hollow Knight or Celeste or something that just "hits", you're not only be lost in it all but you'll be quickly forgotten.
My ideal scenario is seeing the three platform holders. A total of 5 to 8 AAA third party publishers, a total of 8 to 12 AA publishers and around 10 or so Indie publishers. And then all the studios are under all these groups and the ones that are simply not up to par will just fade away and it wouldn't matter because there would still be new studios incoming all the time so the studios that just can't perform would be replaced by a new upcoming studio.
Just overall and in general, there's just way too freaking many and the vast majority no one even knows about and even if they do, they won't care because they're either not big enough or they just don't get the focus and attention that they need.