https://support.apple.com/en-us/HT208856 -a problem with the payment method
https://discussions.apple.com/thread/250384392 -credit card fraud
I asked for you to cite sources on Apple banning people for repeatedly claiming a refund. Not for using a stolen credit or gift card.
Cite me that it's not fraud if that's not good enough for you, I'm not really interested in proving fraud is not just allowed to run rampant in a payment system in the very thread about how doing this exact thing would be abusive and need to be stopped somehow.
In the EU i have a right to a refund, there is no part of that right that forbids me from repeating that purchase. Since we have established that Apple don't suffer financially from obeying these rules to the letter, i see no incentive for them to treat this kind of thing like fraud.
They might, but you have not established this, and i don't think its a fair assumption to make.
https://support.apple.com/en-us/HT208856
https://discussions.apple.com/thread/250384392