True BUT! that's a niche they fit themselves into, there is no written law that they have to produce lesser known models. During and after WWII the USA taught the world about mass production and how it was done. I guess uncle Irv was the only one who listened and learned. Another train of thought might be that there would be a market for the lesser known models if they were at a more reasonable price. As you say Bachmann has done well with them lately so that kind of speaks of a market out there waiting to be exploited by the venturesome entrepreneur.Many of the brass manufacturer specialize in unique and lesser known protototypes.