[user104658]

The more pressing question is, how did level 3 occur in the first place?

But yes this is otherwise accurate - except, I'd never stand shoulder to shoulder with a stranger. Because you might get a little bit of pee splashback. And while it's OK to have a couple of drops of a friend's pee on your shoes, it's NEVER ok to have stranger pee on you. You don't know where they've been! If the urinals are that busy, the correct answer is the secret option:

Wait for a cubicle to be free and pretend you needed to blow your nose.