For its part, the Android team played this freakout like a fiddle. In a truly ungoogly way, they demanded separate infrastructure, separate cafes, etc. etc. And they got it. There are lots of reasons to loathe Andy Rubin, but what he (and the Plus crew around the same time) helped do to the culture can't be overstated. He wanted a little kingdom to run like a petty tyrant, and he got it. Android was Not Google.
/cc @chriscoyier @tomayac