Coaches will do what they can but it doesn't necessarily bother me. You are an international referee for a reason. If things like that are going to ruffle your feathers, don't bother doing the job. ↗
Fighters today are much bigger, stronger and quicker and not only that but referees, judges and doctors back then were very strict and if your head got busted up the fight would be stopped. ↗
As all of us with any involvement in sports knows, no two umpires or no two referees have the same strike zone or call the same kind of a basketball game. ↗