I don't like K-pop and I don't think K-pop stars are good live dancers. They look alright in videos, but the girls especially can't own a stage like a brawnier westerner. They're too pulpy and demure (a compliment) and they just can't pull big shapes.
Also, on top of not liking the music it's annoying when Korean friends insist that we westerners are crazy about K-pop, despite hearing from me that they're quite wrong. Certainly in the UK, it's almost unheard of.
Lastly, call me old fashioned but I find the transexual look on guys slightly distressing. I've seen some of the boys from my elementary schools wearing bright red lipstick when they're out with their mates after school. When I was at school everyone wanted to look like a nutter, not a transexual.