Meh, Oculus' thing is that they want to "do VR right". If that means they need to be gatekeepers like Apple (hey, it works for Apple...) then so be it.

Saavy users will be able to get around this in seconds. Unsaavy users will be protected from saying things like "this doesn't work on the copy of Bejeweled I downloaded 10 years ago from PopCap!"