Board Thread:Episode Discussions/@comment-1251315-20161006111632/@comment-1512913-20161010174614

The only reason why he tried to 'murder' Sakura was because she attacked him first. Also the reason why he 'joined' Akatsuki and helped Obito is because he wanted to get more power and to kill 'Uchiha Madara' he never really was on Obito's side.