Well, wouldn't it? "Improper" means "will offend people." If nobody is offended by something, it's not improper. If lots of people are, it is. Whether you care

Well, wouldn't it? "Improper" means "will offend people." If nobody is offended by something, it's not improper. If lots of people are, it is. Whether you care is a different matter. If you don't, that makes you a rude person. Which you're free to be, if you wish.