No, when cops do what's described, it's called an undercover assignment. Entrapment is when the police encourage the forbidden behavior. In no way shape nor form is having a woman greet you coming near entrapment.
As for having a CEO play custodian, sure, it's a poor use of my time in leadership, but at the end of the day, I don't care who is carrying a mop around the office. I do care about keeping out the shitheads who feel they're entitled to disrespect someone because they're carrying a mop.