So what you're saying is that all of the engineers at DBAs are sitting around going "Oh we just lost another user's Facebook page. No worries. They can just create another one." Do you not think they would've switched databases already if the couldn't fulfil the primary purpose of their business i.e. managing data.
That's what replication is for. :) Really, mysql makes a fine key value store. "Mostly ACID" is good enough for lots of purposes, but what people complain about is its "serious business" sql failures.
Look, I used to have to support mysql. Every couple months we had to increment our minimum required version because we found yet another query that didn't work right.
