The power Oh yes the power
Why would it be un-Christan for a man to wear a beard if it was god's creation and design in the first place, you would think that in doing so would be offensive to him ?
Answer = Marketing the Borg have always been trying to sell itself to the general public as pure, honest and clean with all of the intention of culling more converts.
It operates very similar as a commercial business would, an example of what I'm speaking of, think of a used car salesman/ shirt and tie clean cut a image of honesty
This presentation to the public is all on purpose as a formation of their marketing scheme, distinctivly clean from the rest of the world.
And aren't all people with long hair evil, a true tell tale of character.
I personally got the no way fellow no more talks or service for you unless you get a hair cut..........I had I think just a inch possibly over my ears.