cross gen games are still exclusives. if my first Playstation is 5, should i care that it is on PS4? no. PS5 had way way better first few years, not just exclusives, but hardware also.Both statement can be true quite easily.
PlayStation had less exclusives and more cross-gen games. There was a pandemic afterall, financial realities dictated a lot of decisions during that time period.
But at the same time, Xbox still had less exclusives than PlayStation because they've bought a bunch of studios near the end of the generation which weren't going to ready to produce their first game or even had to contractual obligations to ship a multiplat game still before they could even start their first exclusive game.
I also imagine that he's speaking from his perspective(I haven't looked at the clip)and he's into retro gaming and quirky games much more than blockbusters. I suspect John is one that quite liked early PS4 era where they were more smaller experimental games, which is fair, everyone's got their own gaming tastes.