I know this. I just held back so you wouldn't feel bad.
One of my favorite text in the Bible is Elijah mocking the prophets of Baal. "Shout louder", was to humiliate and mock them. They were passed the point of reason, discussion, and arguing. So ridiculous was their action, they mutilated themselves.
Humiliation is not my first move. But, sometimes being vicious(your term), is what is needed. You are able to discuss and blow with someone when I see it as a waste of time. Me calling it sooner doesn't make it wrong.
@nWo imo is well passed any reasoning. Humiliation works sometimes. When you're where he is, you might as well have fun with it.
As for the memes, dark humor and reality aren't the pic of what the world thinks of a Christian. I see it as another way for many to see what the truth is. If you laugh, you're as guilty as me, if there is guilt to be had.