In a way I'd argue that Google suffers from the same real underlying issue that started to cause Microsoft to fall: complacency. They see themselves as a king of the world that can't be beaten. And in a way they aren't strictly wrong right now. So many people will still jump up and defend and support everything Google for no reason other then "because Google!". But that's also starting to change. In my opinion the best thing that could happen to Google right now would be for them to take a market share hit.