I speak a little bit of German, but no, the guy who created the series is a native English speaker with Afrikaans as his second language.

It absolutely gets used in English speaking companies. I’ve got one in my work calendar as a reoccurring event.

I think it’s best to not defend kiddie porn, unless you have a republican senator in your pocket.

Yep, probably because it’s not funny or clever. My guess is that you look for funny and/or clever in your jokes.