When they say "everyone has an Xbox controller" they mean everyone who buys an Oculus. The logic there is that everyone will be using the same controls, and devs can at least account for everyone being able to use the same controller. He literally explained their very sound logic in the quote you quoted. It is very logical indeed.
In that case he should have said "we bundled it to ensure everyone has one", not "everyone has one, so we bundled it."
Anyway - not all that important. The reason it bothers me is not the price - I already have 5 controllers, so one more or less doesn't matter.
I'm more worried about games being designed with the limitations of console controllers in mind and their gameplay catering to those limitations.
They're great for games like fifa (that's why I have mine), but for anything I'd play in VR besides racing and flight games, for which I'd use a wheel/hotas, I'd prefer M/KB.
Unfortunately many games designed for console controllers implement the latter quite poorly.
I'll get a Vive anyway, but the xbox controller decision means less playable games for me.