There are those who think it is impolite not to.
I like how the guy's penis seems to be set to the "mist" setting rather than the "stream" setting.
If, indeed, your penis is set to the "mist" setting, than seated urination seems to be the only way to go.
(Or, alternately, to 5: I bet you do.)
The guy is not peeing buckshot. He simply failed to adequately secure his pants marbles. I thought pants marbles were "out" though. Maybe they still do it in Europe?
In the UK at least, referring to one's genital warts as "pants marbles" did not catch on, Standpipe, although I hear that a certain someone tried very hard to make it so.
it almost worked, too, but the editors made him cut that chapter from Amsterdam.