[foldr]

You don't seem to understand why the two cases aren't comparable. There's a huge difference between making fun of a group that you belong to and making fun of other groups. You can't excuse racism just by making a few digs at yourself.

>and when it is pointed out that he makes fun of white people

He doesn't make fun of white people as such. Making fun of Germans for being German is not the same as making fun of white people for being white.