Dunno - given the attitude of the general public toward firearms in general (look at the asininity being published, and the fact that they don't get called on it. The misappropriation of the phrase "assault rifle" or "assault weapon" particuarly sticks in my craw...) and I'm inclined to believe the "make it look like a wallhanger" argument.
That's why I stuck with the basic Parked metal/plain synthetic stocks. No heat shield (not really necessary anyhow.) No bayo lug (what for?) No pistol grip (don't really like them anyhow - and I think it looks better without the thing.) Just a dirt-simple pumper with a stock sized somewhere in between what I need (6'3") and what my wife needs (5'2") - and that we can both use effectively.
She's a better shot than I am, but I can pick up anything and know how to use it almost immediately (where she cannot.) So, it all evens out.
She's got an Arisaka rebarreled to 7.62x39 that she's pure terror with, and she handles my M1991A1 and her Model 29 with equal ease. It takes a bit longer to train her up on a new firearm, but she's a natural once she's got the hang of a new gun. I've got to work at it, most times.