I don't hold with the fact that age is a factor in not knowing about things. The internet has been around for what, thirty years at least? We should all know how to use it by now.
As ex-staff of a company in one of those locations, I'm not as ignorant as some may make out... One might say that they may be popular with stockists, but are they popular with customers?
They are trading off the name though, granny is more likely to buy an Airfix Sherman than a Revell one, little Johnny never knows that better kits exist.