This wasn't an overly dramatic ending compared to some of the previous episodes, although it wasn't bad. Quite a Hollywood ending, but then again, I think I'd have been quite annoyed if Joseph or Maria had died.
The Heavenly church (angels) were made to be utterly emotionless in this story, so in that sense Michael's opinion poll made sense. They were basically conservative, mainly interested in maintaining the status quo and hammering in any nail sticking out. However, since they were lacking opinions and motivations of their own (which is why Dovey was banished when she developed those), there was no particular reason why they wouldn't correct their concept of the current normal situation as well, to include Maria, if it seemed necessary.
Damn. Harsh.