A great story. What I do not understand (I am a European) is that he uses a credit card, but not a credit card. I just did an AirBnB and I was prohibited by the system to use my debit card. I was outraged. I still am. I had to buy a separate debit-credit-card to be able to use AirBnB services. AirBnB supports iDeal (Dutch payment system), but only for bookings >6 days. From my point of view, using a debit card is far…
The merchant is already pricing in credit card fees into their prices, so you should go with the payment instrument that provides you the best protection and other perks — otherwise you are leaving value on the table.