Lol, that tweet is pure FUD.
* Quick Resume didn't crash, State of Decay 2 just needed an update. This is always what happens on an Xbox. If a game needs an update it will go back to the homescreen and let you know.
* The biggest games aren't compatible? Please, they just haven't let people play them on this system for now... As if Halo MCC and Gears 5 won't be playable at launch on the XSX
* Not every game compatible like the PS5. First of all, all Xbox One games will be compatible, Microsoft said this already. Secondly, weren't there 10 games that aren't compatible on the PS5? Not that it matters because 10 games are negligible, but don't say Xbox BC isn't working correctly to then say PS5 is fully compatible.