Earlier quoted context omitted.
I have trouble believing even a 2% chargeback rate would endanger Visa/MC. It seems like they hardly spend any time investigating chargebacks and most disputes seem to be won by the buyer by default unless they have a habit of filing chargebacks.
The reason Visa/MC so rigorously enforces those ratios has nothing to do with immediate financial danger from the reversals themselves. They bear no actual risk there. Visa/MC work with an ever-changing mix of tens of millions of merchants that they never have direct contact with. There's a long chain of banks, ISOs, MSPs and other resellers between the card networks and the businesses that accept cards, yet they sti…
I think everyone can agree that maybe with a 20% chargeback rate, there is something wrong with the business but 1-2% seems possible for a legitimate business.
As a credit card user, I don't think it is their job to dictate which businesses are worthy of operating or not.
As long as I get my money back when I do a chargeback, then they did their job.