It’s 2023 and we are still letting these companies take money from EVERY SINGLE TRANSACTION. This is the single greatest open scam in the world.
The hard economic reality is that accepting credit cards increases your sales, presumably enough to make the interchange fees worth it.
At last, Afterpay, Affirm etc. charge 600 bps (6%) interchange for their 4 split payments offer. Again, no one forces merchants to accept these payment methods, but the ones that do clearly see the benefit to the top line resulting from higher conversions.