About an hour ago, the personal account had a changed icon, started looking nicer, and is now called Hangouts. The Apps for business one stayed the same.
I've never been closer to being a fanboi than I was with Google, but this seals it...I'm pissed. Closing off (yet another) service in favor of proprietary protocols is not something a "Don't Be Evil" company does...in fact it's why you have the motto in the first fucking place.
You could have made the change without breaking XMPP. This is just shitty all the way around.