Yes it is hateful. That is absolutely true. It's also absolutely true that this hatred is based on choices and actions, not on a characteristic that someone was born with or did not have any choice over. So fuck him.
So all I would have to say to him is this: You want people to be proud of you, do something that is worthy of praise, you pathetic bastard. And hey! If you can't think of anything off the top of your head, there's plenty of mouths to feed and we can always build a guillotine.