WTF IS POST GRUNGE AND WHAT HAPPENED TO ROCK?

What is that there is only grunge and what happened to rock. Rock stopped being great after April 5 1994 the day Kurt Cobain died. I am not saying it's not good it's just not great like it used to when The Doors, The Rolling Stones, Led Zepplin, Jimi Hendrix and all those other great bands used to be around and where good