[arethuza]

"I've noticed that if you stay strictly professional, folks think higher of you and they feel shame for having done this."

Some do, some think it is a sign of weakness and start behaving even more unreasonably.

[Moru]

And since the boss knows you are right because of your previous behaviour, all you need to do is ask the boss to take care of the disturbing element if it continues.

[arethuza]

That's making a lot of assumptions about your 'boss'.

[Moru]

Yes I'm aware. I have been extrely lucky with my jobs so far.