Also, do you shut the door in a public toilet? If so, you must be snorting coke, I guess. Why on Earth would you shut the toilet door otherwise?
But if we’re going to play this game, if everyone walking into the bathroom came out with a renewed sense of self esteem, a nose bleed and a sudden urge to dance, yes, I think you would be looked at sideways for closing the door. What’s lacking from your rhetorical question is context.