I've encountered nearly no businesses that don't accept cash and I pay with cash all the time. The lower-income end of the working class makes up a huge percentage of our economy, and it's an extremely cash-centric demographic. But even then, I've got a friend who sells fine handmade jewelry and some folks came in and bought like a 30k piece from her in cash because they owned a cash-only business. I can't imagine anyone existing outside of a ultra-gentrified corporate enclave that would encounter nearly any businesses that don't accept cash, let alone most. Maybe they just never see anyone use cash because they're not in a socioeconomic segment where it's still the standard?