Hope this does not get sorted out ever. Bitcoin purchase against a reversible payment method is NOT a sustainable business model. They created a craze with this which is now calming down as expected.
p.s. Bitcoin is supposed to replace credit card in international transactions. Not to be traded against it.
As far as I know they processed any card transaction as a 'cash advance' meaning that you could not reverse it. Could be wrong but mine was treated as a cash advance and not a purchase.
Yes, bitcoin is supposed to replace cards and the like BUT until then there needs to be ways to convert fiat to bitcoin. If you remove the accepting of cards and or bank accounts then how do you expect people to aquire bitcoin?