You also have to realize how internal politics plays into things like this. Who wants to work on maintaining their mobile web browser when it's not going to get

You also have to realize how internal politics plays into things like this. Who wants to work on maintaining their mobile web browser when it's not going to get them the promotion? Thus it falls on the least skilled/interested. This is why Google has products stagnate for years before it is finally euthanized, allowing a completely new iteration of it to take place.