The vast majority of music consumption is by people that have never seen the artist live. Hell, I have no idea myself if there is a human behind it.
>what gives the right and permission for humans to exist anymore?
Nothing. We are just a mote in incomprehensibly small fraction of eternity. Eventually the process of equalizing entropy will erase all traces of our existence. Enjoy it while you have it.
May I introduce you to the runtime of The Lord of the Rings films?
Also the American Federation of Musicians' campaign against "robot" musicians replacing live musicians in movie theatres? https://www.smithsonianmag.com/history/musicians-wage-war-ag...