How about his visceral hatred for Mother Theresa - ‘the Albanian dwarf’ he called her. Could have used his gift of words to improve the world, but instead he chose to tear down good things.
I once heard him say, when asked about his attitude of Mother Theresa that she called herself a friend of the poor but visited with horrid dictators and took their money (I am paraphrasing of course) But he found that being a hypocrit....