Check fraud is back in a big way, fueled by a rise in organized crime that is forcing small businesses and individuals to take additional safety measures or to avoid sending checks through the mail altogether. Banks reported roughly 680,000 reports of check fraud to the Financial Crimes Enforcement ...
Same reason US politicians insist on having AM radio in cars, we mostly hate electronic voting, and a lot of people still like cold hard cash
it's tangible
it's reliable
it's anti-fragile
I say this as a tech enthusiast myself: we vastly, collectively underestimate the fragility of high technology. Not just fragility of the operation, but fragility in the supply chain (silicon manufacturing is super specialized and centered in one of the world's most contested locations: Taiwan), fragility in the event of disaster, and fragility of the digital security.
I'm not sure that checks rate any better in security here, or in reliability. The check doesn't have any mechanism within it to verify that there's actually money to be moved, and doesn't guarantee that the payment is yours irrevocably. It also doesn't verify the actual intent to move money, or that the writer of the check is authorized to do so. I get that digital systems have vulnerabilities but let's not pretend that this paper system doesn't.