He may have dropped niggardly in there in order to "prove his point" about people creating in-groups and out-groups. Now he's a victim too. It's a common reacti

He may have dropped niggardly in there in order to "prove his point" about people creating in-groups and out-groups. Now he's a victim too. It's a common reaction from people who don't want to accept that other people are expressing emotions, and may come from the fact they haven't been allowed to express theirs either. In other words, "Nobody accepted my sadness, why should I accept yours?"