Don't forgert that most umpires these days are generation Y-ers, and have been brought up soft all their short lives with that touchy-feel-y PC crap that the killjoys have foisted on the world.
Just the fact that anything as ridiculous as an "umpire's appreciation" week exists is proof of this sickening state of affairs.
Having said that, Jack should know what petulant, five-knuckle shufflers they all are, and keep his mouth shut.