When People Judgment Something That's Not Affecting Them

When people are judgmental about something that's like mundane and stupid, ok. A good example be like music, or like, your daily habits,. basically when somebody is judgmental and mean about things that have nothing to do with them and don't affect them. And i just, it bothers me. It's like, what is it to you though? Why does it matter? If it does not affect the person judging, why are they judging? I get it if you want to judge somebody behind their face in a f****** abrasive way. But it's like, when you're obviously judging somebody to their face in an abrasive way, oneeno the word like that really