Verb conjugation of "hervorbringen" in German

All people held signs with names on them and on one plate I saw name, of course misspelled. I went with the person to his oldtimer car. We drove to his cottage and I was surprised about the nice reception.
But we need to asked ourselves why we actually are built in such a way that we so easily dislike others and build stereotypes. What leads to such behavior even in well educated individuals?
We shared a cabin with an elderly couple from Spain. They started blablaing about Spain, about their corrupt government and about their civil war. They should not work in PR, advertisement or sales.