op's comment included work. Unless it's common to measure social acquaintances by seniority. Also, the existence of such a law should have a chilling effect on

op's comment included work. Unless it's common to measure social acquaintances by seniority. Also, the existence of such a law should have a chilling effect on this behaviour. Even if it doesn't get rid of it. E.g. presumably HR policies & training will have to be updated to highlight it on pain of exposing employers to legal action.