It was funny when he did it (I honestly don't believe that she should have even bee on MTV in the first place, but then again, my opinion of MTV in general isn't very good...), but that was just kinda not funny :/
But yeah, Kanye is a dick. He's been a dick for a long time, and this is just another instance.
Also, Lupe Fiasco just fucking referenced Lupin III, lmao.