Lol... I know all about that situation... I went to one shop about 6 months ago to see if they had any replacement bushings for my Noleen fork setup and the guy kept telling me there's no such thing as a Noleen fork, then I told him it's also made by Girvin and might be under that name, again, the guy told me there's no such brand. I then told him they were very common on the older ProFlex bikes, which he again told me this brand didn't exist. I told him that Proflex bikes were popular back in the mid 90's then he proceeded to tell me that he's been working on bikes for over 30 years and never heard of them. I gave up on this guy pretty much right after he told me there were no such brands like Noleen or Girvin but wanted to keep him going since he obviously didn't know as much as he wanted people to think.
Not to make my trip to his shop a total waste, I asked him about converting my bike to disc brakes since he had a counter display full of disc brake parts and he told me that the only way I could get disc brakes was by buying a new bike that came with them... Next I asked if he sold any rims with a disc brake hub laced in and he told me it won't work, I'd have to buy a new bike that already has disc brakes if I wanted a disc brake... needless to say I left his shop unimpressed and empty handed.
There used to be a shop really close to where I live and that guy had just about anything and everything, but he went out of business several years ago, I'm guessing that he couldnt compete with some of these newer shops filled with idiots who probably don't even know what a coaster brake arm is...