It's never a good idea to double down on a mistake. Usually, if you're doing this, you're so narcissistically blind to your own faults that you don't see anything you do as a mistake in the first place. It's the same logic as going “double or nothing” on a bet once you've already lost all your chips. It just doesn't make logical sense to put yourself even further in the hole by refusing to know when to back away. Well, this HR department clearly doesn't understand the principle of “double or no…