The creeper stache represents so much worse than any beard, no matter how long or even unkempt.
On a somewhat related note, somehow BYU girls are allowed to wear the skin tight leggings as pants (and do so every single day), as well as short skirts, while BYU guys are punished for harmless facial hair. The only logic in the dress and grooming standards at this point is determining the extent of our unquestioning obedience. Besides that, it's completely counterintuitive.