Me too since I'm one of them (and my company now 12 of them) but FWIW, none of us ever forgot that Facebook is not the web, and that it has a profit-motivated owner. We've all expected this coming, and any who didn't deserve what they get for being naive.
I'm writing a blog post on my thoughts about it, story at 11.
It's now clear that "open platform" hype is pure marketing spin -- bullshit-speak to make you think they actually give a fuck.