""Hey, somebody has to make the final decisions and that is what the Boss gets paid to do. In this case, the Boss can only be fired by one guy and that guy is every Catholic in unison. As for Supreme Authority, it's kinda the same but localized and there are property issues.""

gnu, at least with Prime Ministers, there is some potential way to get rid of them (the bad ones) in a reasonable time frame. Unfortunately, death seems to be the most common route to rid the RC of bad popes. Which may be a main reason behind selecting the ones that are really old?   :)