You know in a meet you don’t get extra points for looking the way Wes and Jeff think it should look? You get credit for completing the lift it’s not bodybuilding there is no subjective judgement of aesthetic standards.
But you havent yet performed a real strict curl, you have followed the federations idea of what a strict curl is, its not your fault its wrong.
They have those rules in place to allow you to lift more weight, that way your ego gets a boost and you turn up to compete