I think people are talking about two different things here. Yes, on paper, XSX have higher numbers on couple of hardware. Yes, PS5 also have higher numbers on other hardware. That is a fact. Whether that will translate to 1:1 difference in actual gameplay, is debatable, because right now, there is no way to confirm. That is also a fact.
Then, the is that really something that matters to casual gamers? I don't think so. We buy console for the games and social circle, especially for multiplayer games. This debacle is going in circles without any ending, because people are talking about difference stuff.
Back to the main topic, I wonder what kind of surprise these developers are talking about.