Its cost...pure & simple...its a bit easier to work with too.
The things that scare people off the most are prices, some take for granted the fact my stuff is hand made and cost reflects my time in addition to materials. there is a large abandonment rate once you start talking cost, its kinda hard to justify spending $$ on pimping your $50 tenacious;-) Most people that are serious and knowledgeable about what they want find i can drive them a great deal though.
Alot of people feel the same way, its a shame manufacturers don't have a scale market as well, they could make a killing. I do alot of scales with peel-ply as many people just want a "factory" scale that is not black