> In general, I don't favor regulation of loan products, on the notion that people should be free to get loans that fit their circumstances. But I wouldn't be opposed to limiting BNPL loans so they are not available for purchases that are (1) large dollar value and (2) recurring. Or there could be PSAs to warn people about them.

Wouldn't general usury laws be able to handle this? I suspect BNPL loans for 1 and 2 would generally involve ruinously high interest rates to account for risk, so as long as there's a cap on consumer-facing loan rates that should limit the risk for BNPL offerings.