That is, joy in crushing our enemies, in "our" societies (*) is generally condemned by people and institutions that have thought hard about values; (*) has been quite successfully suppressed; (*) without obvious adverse consequences; (*) despite biological hardwiring and occasional pragmatic necessity.
Let's try a couple of examples: (a) WW2; (b) Islamic terrorism.
Plus, there is the usual problem of what to do when Joyous Skullcrushers come swinging their clubs.
Let's try a couple of examples
Would you care to make some actual argument explicit enough to be debated? I mean, if I'd claimed that violence has been completely eradicated from the world then those examples would refute me very nicely, but I haven't said anything of the sort.
what to do when Joyous Skullcrushers come swinging their clubs
Die. Or, if you get more advance warning, send in the police or army, institutions developed so that a largely non-skullcrushing society can survive despite the existence of other skullcrushers.
What proposition is it that you think you're arguing against?