Maybe I'm naive, but isn't that the level of urgency a WARN would suggest? In my mind: DEBUG is irrelevant outside of debugging, INFO is useful (let's say for

Maybe I'm naive, but isn't that the level of urgency a WARN would suggest? In my mind: DEBUG is irrelevant outside of debugging, INFO is useful (let's say for performance measurements), WARN suggests that something is off (even if it might not need immediate action) and ERROR means "something has completely failed here and needs immediate intervention".