I always immediately confront that question with "put a camera in your bathroom to prove you aren't snorting cocaine in there, or you're a fucking hypocrite. Think of the children we could save by making sure no one does drugs in the bathroom!"

Usually they either abandon the conversation because they realize it's a dumb justification, or (more likely) they realize it's pointless trying to argue this with me and move on.

Yes. Most beings do.

I used to work in advertising.

I know we all have all to hide.