Why does music today absolutely SUCK!?!?!?!?

Metal is now spit gargling doom and black metal uuggghhh rock is now emo or pop what happend to bands like Metallica guns n roses ac/dc def leppard the who queen etc etc etc basically GOOD MUSIC even the pop back then was way better and do you guys agree music from the past is better??? i do and im just a 13 year old girl!!!!!