What happens if you just play stupid and pretend to have "forgotten" your password? If I felt I was going to be in a position where this was going to happen I'

What happens if you just play stupid and pretend to have "forgotten" your password? If I felt I was going to be in a position where this was going to happen I'd be more than okay entering 10 incorrect codes on my iPhone to wipe it... Also curious what happens if you have confidential info or info from a work computer that you legally cannot show anyone else?