They probably want to make an example of the guy, all I can say is I don't want to be that guy right now.
I personally don't give 2 sh#ts how bad that guy gets it, I don't like bouncers, I've heard too many stories about people getting beaten up by a "bouncer" with low self esteem for whatever reason they could get. Non lethal methods only are good enough, I've used pepper spray before and I can tell you the person sprayed with it won't cause further trouble (except perhaps if they have a firearm but biceps won't help you in that case anyway). Also pepper spray works well in groups, if the group is big enough that it won't work on them I don't see the bouncer standing a chance.