Earlier quoted context omitted.
Or just fix that system; here (EU) it is not all that easy to chargeback (and impossible in many cases) because payments are secured; if you yell fraud, they will start an investigation (mostly automated); if the IP you paid from was around your house, you filled in correct info, you did 3dsecure (which is used on all my cards now; I had a few that did not have it and they got frauded, but a simple check showed it co…
Thankfully I've had better chargeback experiences with EU banks. I've only requested chargebacks on products I've not received, and provided my attempts to communicate with the seller. Always got my money back, but was blocked from buying from that merchant again (not that I'd try it after the bad experience).
In the EU I couldn't get a chargeback even when the company said they mistakenly charged me twice, and that I should do a chargeback.
I know that theoretically the law is on my side, but practically I found it to be a huge hassle in the EU.