They don't drug most people, most of the time they create their own blackmail material and send it to the 'keeper of keys' as the price for being in and succeeding in Hollywood.

Good chance that more than one explicit celebrity 'leak/hack' has happened as a warning to someone that didn't get the memo and wasn't behaving, if anything in some cases that might actually speak in the 'hacked' persons favor....

Think about it, they do seem to have a passion for letting themselves get filmed having sex..............