My son was pitching in a softball game the home plate ump hates me for reasons I will not go into but he was m?

My son was pitching in a softball game the home plate ump hates me for reasons I will not go into but he was making calls against my son based on not liking me. I wanted to knock him out but all I could do was heckle him. Do you think MLB umps are stupid like that and hold petty grudges sometimes? I would hope they would be more professional.