But, whatever is observed and is within the approach, regulatory personnel should take to task. For whatever reasons, let it be frustration or personal, if even these observed violations are not tasked, then the violators will of the impression that they can get away and the chance of penalty or regulatory action is minimal.
As regulators are paid for ensuring prevention of violations, whatever comes to notice has to be regulated. Atleast this type of actions will send message that one can't go scotfree.