...what the purpose of setting a limit would be if we would still be in violation for any transactions under the limit.
You caught them! Some banks do it because it appeases the examiners who think they should really check every over the counter item, a
truly ridiculous exercise. Clearly, when the theoretically possible penalties are not capped by the dollar amount involved, it's a bit cynical, but not necessarily ignorant.
I would do it as a compromise position in response to an examiner's pressures, somewhat confident the illogic would not dawn on them.