Agreed, I enjoyed it. It wasn't needlessly long and they said what they wanted to say. And I even feel a little bad they're shutting down, because Yik Yak seems like a pretty sincere company from the looks of their blog.
Eh dunno, sounded pretty fluffy to me. Dressing up the move to Square as some 'community' thing when it's likely simple pragmatism, and so on. (Though nowhere near as apparently rage-inducing the other guy found it lol.)