[video]
Riku is not the same as the Organization! Whatever he did, he did it because he thought it was right. And whatever he did to hurt you, I'm sorry. But he's my best friend, and I won't let you say things about him like that when I know they aren't true.
[He'll probably be sorry for that later, Roxas, and you may be his other, but Riku is still his best friend.]
If you don't like him, you can just stay away from him.