It doesn't matter if he was right or wrong in what he said, the problem was he took a moment from a young girl who had never won one of those awards before. You also have to remember taylor isn't TRYING to be a pop star. She's trying to be a country star, so the fact that she won a more pop award must have been amazing for her. First award, first time she gets to go up there and she was ecstatic because she was in a league of people she didn't try for, and kanye has to be a d-bag and crush it for her.
My mommy wouldn't have scolded him, my mommy would have flat out knocked him down.
And yeah, if it had been a more well known that he did it too, it would have been ok. Someone who had a bit more footing in the entertainment world. They'd have made a comeback or kicked him off their stage. Taylor, not being part of that world was all "wtf do I do?!"