*SIGH* Does anyone else think that Sensei's reasons for Sasuke fighting are kind of weak a...

*SIGH* Does anyone else think that Sensei's reasons for Sasuke fighting are kind of weak and contrived? I love this manga but now it just feels like sensei is trying to pull it in a direction that doesn't feel right for the story - I get the symbolism of them fighting for the last time, but Sasuke's reasons for it prove he's learned nothing from his experiences or from his brother. Now I read it out of obligation more than anything, which is sad. I'm not enjoying the ending after so many freaking years of reading it : (