This varies so much by topic and group that it’s hard to follow exactly what situations the discussion applies to. “There is a norm for...” is a very difficult proposition to evaluate—norms are complicated and situational, and don’t exist outside of relationships among humans.
As a summary of a situation, “there is a norm against pointing out lies”, is probably useful in some contexts, but it’s not specific enough to really predict anything or argue against. Which lies are punished, by whom in what contexts is necessary for the statement to have any meaning.
This varies so much by topic and group that it’s hard to follow exactly what situations the discussion applies to. “There is a norm for...” is a very difficult proposition to evaluate—norms are complicated and situational, and don’t exist outside of relationships among humans.
As a summary of a situation, “there is a norm against pointing out lies”, is probably useful in some contexts, but it’s not specific enough to really predict anything or argue against. Which lies are punished, by whom in what contexts is necessary for the statement to have any meaning.