Mike - Send a memo inviting everyone to an inservice. Title it "How to make a pot of coffee. Bitches." Make it mandatory.
I have issues with the people at work that use the treatment room here (open to everyone to do minor procedures like sutures & stuff) and leave it a mess. Sterile wrapping everywhere, table paper not replaced. And sorry to stereotype, but it really is always the male employees.

Bastards.
Nothing is more annoying than repeating the same thing 10 times & people still arguing with you. If it's a policy or state law, I can't do anything to change it. Ass.