Why do ppl hate ozzy osbourne sooo much????10 points?

i love ozzy amd acdc and metallica and all dat, but when i meet ppl and tell them bout da music i listen to, and when i say ozzy, they go crazy, they r like hes crazy and this and that........and i wanna no, wat da hell did he do.........i no he went on drugs but like evry singer does.................im only 13 so i dont no reallly wat happened back them, also i dont go into music history, or any history really..........lol.......10 pointts to wat i think is da best answer........lol.......=D