The only
technically rude thing he's done was tell KARA's Nicole to lose weight, but they're good friends and she said him telling her actually helped so...
But in relation to what Belle said about society, I've seen more than one K-pop idol comment on a females weight and even in the Western world, weight is well publicised in a bad light and no one is afraid to say the same thing, so.
He was actually being pretty sweet with his "hi cutter" thing, as messy as he worded it.
