WTF do you think cabbage kit is for? It's not a fashion statement designed to make you look attractive to the opposite/same sex (delete if/as/when appropriate).
It's designed to allow you to hide behind trees and rocks and become invisible to the enemy, so why the f
ck do you want to draw attention to yourself?
Do you fancy having your toenails pulled off with pliers while your bolleaux are toasted over an open fire, so they can get videos of the brave driver, airframe, bubbling all up on Al Jazeera?
Frankly I'd suggest no badges of rank either, as that will be easily picked on too, but that would be going to far for the anally-retentive that make up the middle-management.
Suffice to say that in the hooligans we managed without rank badges (even the Ruperts) in the field, and no-one died