That was kinda the point.
You explain to them why their pet peeves don't bother you, and what do they do? They insult you for not being bothered!
Is that not "your opinion doesn't matter, mine does?"
Those people are prigs. Insufferable prigs.
Prig: a self-righteously moralistic person who behaves as if superior to others.
Political correctness is part of their credo. Think Kraphammer or Georgie Porgie Will. Insufferable prigs.