How would you feel if any popular KPOP made an American debut? ?

I first heard the Wondergirls some time (maybe just over a year) before 'Nobody' came out, but I haven't known about k-pop for a suuuper long time or anything. I thought they were really cool. I still do, but once they released that single, they started touring around with a bunch of American artists like the Jonas Brothers, and they got their own MTV show etc..and all my friends knew and learned the song and that song only. It SUCKED.