Translation of nonrelevant in German

We want to fly there again on Christmas, depending on Jenny's work. Maya entered kindergarden last week, and there were a lot of tears (mainly by her mother and not by herself. I guess that is natural.
Once they see a foreign person, their primitive thoughts come up and they start to hate and dislike without any actual reason. Whose fault is this hate? Is the fault of the ones who are afraid.
He was hysterical, he got married two weeks earlier and already has lost his first wedding ring. How embarrassing is that? In addition, everybody on the ship heard it so that it was even more embarrassing.