
Sasuke was rather self-centered when he said he didn't care what others thought. If you can't listen to or sympathise with the people you're meant to lead, how can you be a great and respected leader?
Naruto and Sakura have both grown so much ever since they first became genin. They were both bratty, but they have both matured and forged strength out of kindness within themselves. Naruto is the hero of the village, and he cares so much about other shinobi, no matter where they came from. Sakura has become a hell of a woman, and is well on her way to making her own page(s) in Konoha's history, and she has become a powerful support for Naruto as well.
I get all misty-eyed thinking about everything they've been through and how far they've come...
Sasuke has certainly learnt many things, and he does seem to have finally turned his back on his self-destructive path of revenge. But he still lacks empathy/humility, and he has to learn you cannot simply seize whatever you want. He does care a little at least (see his sincere apology to Karin).
I'm really looking forward to the Team 7 fight against the Juubi, and I can't wait for further developments.

Also, I'm not going to expect it to happen, but it would be awesome if Naruto and Sakura were so in sync during the fight that they earned the nickname "Heaven and Earth".
