Whats wrong with todays use with their modern metal crap?

I'm 15 right and I know that is very young still. But i appreciate old school metal from the 60s,70s,80s. The thing is with today's youth they like all the crap metal bands like Slipknot,Bring Me The Horizon,Static X,Suicide Silence,Marilyn Manson,Disturbed,Drowning Pool. I like decent metal bands like Black Sabbath,Iron Maiden,Witchfynde,Led Zeppelin,Venom,Saxon,Jerusalem,Diamond Head. But I also appreciate old school death metal bands like Death,Possessed,Master,Morbid Angel,Obituary,Deicide,Napalm Death,Cancer,Carcass,Autopsy and Massacre. The reason I appreciate death metal because it actually has talent in it because the guitar solos and riths are very hard and the vocals are not easy to do. Can we please stop teenagers listening to bollocks metal?