I don't think it's the same case at all, berbatov was always too slow for us and wanted to slow things down, but our play if anything isn't good enough and is way too static to bring the best out of kagawa. To have him adjust to our playing style would have to make him change how he's always played football and probably play a less attractive style. I'm not saying the team needs to be built around kagawa at all, but he's a very good player and since everybody and his dog knows we play shite football right now and need a change of style, we all want to go to a more fluid and balanced system. Any offensive midfielder needs simple things like movement around him and midfielders who can provide him passes. You see threads like our zombie movement, but yet kagawa gets criticized when he doesn't make enough chances every game. You need movement before he can create chances, he's never been a player who can dribble past a few players and make bursting runs with the ball. He's a good dribbler and good with the ball and excellent technically, but that just isn't his game.
I see people all the time criticize kagawa on here and say he doesn't fit in, then say we should have went for ozil. It wouldn't have been any different at all to how kagawas doing. It's not that he's not good enough to impose himself or whatever, he's just an attacking midfielder who won't really impress if the midfielders play like ours have the last 5 years for the most part, and other players keep drifting inwards and not holding their position.