Why do most young preteen and teenage girls have horrible taste in music?

The reason would be that most people that like that sort of music probably don't know/are to ignorant to go and find music that they may not have heard of. the only way to broaden your musical horizons are to listen to music you haven't heard on the radio. also not to try and you super jealous or anything but seeing August Burns Red, Architects and Parkway Drive on Wednesday and saw BMTH and in May show was awesome