Is there some kind of war on stand-up peeing in Germany of which I am unaware?
Some kind of, indeed. I'll try to stay serious for long enough to explain.
Some time in the eighties or nineties, stand-up peeing was picked up by feminists as one of those annoying things to call guys out on. Fair enough, considering most of the men that warranted calling out on stuff weren't the ones who had to clean up the mess and most guys I know seem to have a case of Dunning-Kruger when it comes to their aiming abilities. Some guys didn't take that well, and soon there was a war between the fringes of feminism and extreme guyism or something, making it a matter of male pride for some men to stand or, if they were too chicken to do that, at least kneel.
Alternately, it may have started the other way round: Some anti-feminist guys mashed their frustration at not being able to stand in front of some people's toilets with their already-existing prejudice against feminism, resulting in the meme of feminists trying to control masculinity's last line of defense - and some of the feminists picked up on it.
Either way, both sides made it their mission to be very stubborn and ideological about the matter (or, as we call it,
German), ruining it for the rest of us who just wanted clean toilets that were safe to sit on. Personally, I never understood why people were so determined to make it a War Of The Sexes thing. I mean, everybody has to sit down sometimes, right?
This new court decision wasn't about that, of course. It was about a landlord finding his (I think it was a he) bathroom floor in less than perfect condition, and a guy who apparently has failed to clean up after himself. I don't know why they made it about standing rather than cleaning, but that's how it played out.
Is he a bachelor? Is that why it isn't assumed he is able to clean around a toilet?
Ancient history, but when I was in Germany in the early '60s, both men and women peed shamelessly beside the roadway. Some waved.