What’s a major market? Counting new and used we’ve got over a dozen bookstores in Tucson, works out to about one bookstore for every hundred thousand people. Somebody must be buying all this stuff. The reality is books aren’t a luxury, not in time or in money, and the majority of the market is NOT geared entirely for the urban ego. You can keep moving the topic around with more and more false statements, but 100% of them have been false.
Look, find someone with access to BookScan and check it out yourself. Sales are broken down by region.