With the App Store being overloaded with content, how much effort do you think a random mainstream casual gamer is going to put into fixing a free game they downloaded that doesn't work? I absolutely promise step two of a game not working for this kind of person isn't "Let me go look up some threads on TouchArcade." It's a scary prospect to think about for game developers, as even if it's hitting a tiny percentage of the devices out there, due to the sheer scale of the iOS device market, you're still talking potentially millions of people who can't play games that rely on Game Center.
Anyway, since every time we post about this people have no idea what the Game Center bug looks like, I figured I'd repost this video which was . Basically, any interaction with Game Center is met with a white screen of death:
Depending on when a game invokes Game Center, this bug can make games totally unplayable. At the end of the video, he plays Dashy Crashy, dies, and loads the leaderboard which causes the white screen of death. If you're playing a game that tries to load up Game Center when you launch it, well, it's entirely unplayable.