The vertical urinal is something all men learn to use at an early age. It has a convenience that is unmatched and it is probably the most odor free of all urinal designs save for the old time urinals that are basically open toilet bowls that hang on the wall. Those waste too much water.
A few years ago I discovered something terrible about vertical urinals. I was wearing shorts because it was a hot day and I could feel something that the CIA calls blowback. An unintended consequence that results from an action. In this case the action was peeing and the blowback was in the form of stray micro-droplets that I could feel hit the skin on my legs.
Reason dictates that if I can feel the blowback on my bare legs then there must also be unfelt blowback on my pants during the 99% of the time I wear pants. Does this have you uneasy? Me too.
Think about all the men out there wearing Khakis, slacks, denim jeans, and tailored suit pants lightly misted with urinal blowback. Think about it.
Admit it though, you're glad this post wasn't about politics. I am.