Ratings trends over time can go in the other direction too. I got bit by an update the other day on a mature and very popular app which just released a tragical

Ratings trends over time can go in the other direction too. I got bit by an update the other day on a mature and very popular app which just released a tragically flawed update. I over confidently accepted the update and then started reading the latest reviews which we're shouting in all caps not to get this update. And what you said about excluding ppl who aren't on G+.