"Every" Is usually tacked onto these sorts of statements by someone who either has to go around cleaning up after other people, or is just generally tired of dealing with the consequences of other people hiding behind ignorance like it's the best shield even invented.
Externalizing your problems to others isn't right either.
Being upset is one of the way we signal that social mores have been violated. Making statements about how it would be good if everyone behaves is another.
Rejecting them and saying 'not my problem' is part of the problem.