Well, he stated that he IS a citizen of Cuba

Bitfinex stated in their mail that:
Thanks for clarification yet im the one who havent able to read up that line .. haha

Its really hard for this kind of situation on where you cant prove out anything since you violated out their ToS then
you wont really have any choice but to move on and consider those funds lost.
DEX is good but we cant deny the fact that these places doesnt really have that crypto/fiat feature on which most
traders or investors do prefer.This is why we do end up on using up centralized ones.