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.

What’s so insane about it? Web browsers are an evolution of the old gopher protocol. All this stuff has roots in text consoles.

I think the latter.

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