> Something can have no negative effects and still be wrong. But we have to be careful, because the tendency is to say that common variations (those we are acc

> Something can have no negative effects and still be wrong. But we have to be careful, because the tendency is to say that common variations (those we are accustomed to) are "right" and uncommon variations (those that surprise us) are "wrong", even when there's no sensible categorical difference between them.