Mozilla is always bad at supporting international customers on their commercial products. Surely their payment processor is capable of accepting cards from all

Mozilla is always bad at supporting international customers on their commercial products. Surely their payment processor is capable of accepting cards from all countries where visa and mastercard operate, right? So what's stopping them from selling their products in all countries? Tax? It's especially hilarious when their vpn products only available for select countries, but their vendor (Mullvad) accept purchases from all countries.