> evolutionary pressure Wouldn’t you need the relevant event to not be extremely rare for that to matter? I mean a sieges were once in a several decades or ev

> evolutionary pressure Wouldn’t you need the relevant event to not be extremely rare for that to matter? I mean a sieges were once in a several decades or even once in 100-200 years events on average. Actual direct assaults with combat occurring on the stairs were significantly less frequent than that. The defender being able to turn the tide at that point? Even less.