It's self-inflicted in the same way that a mugger stealing your wallet at gunpoint is self-inflicted. After all, you are both citizens of the same country.
Argentina, for years, has chosen an economic policy something akin to a semi-functional alcoholic. I'm not quite sure what about their economic ideologies are somehow forced upon them despite decade after decade of failure.
You don't understand corruption then. High inflation and a low official exchange rate that no one can actually exchange at without insider connections are a way for those with control of the government and currency printing presses to slowly but steadily siphon the wealth of the masses directly to themselves.
Is it probably disproportionately worse in Argentina compared to the US? Yeah. But it's not innate in Argentinians. Corruption, generally speaking, is a function of something else, usually something that's inherently unfair or unjust. Argentina's economic policies created these incentives to drive people increasingly towards corruption, not the other way around.
Where did I say that the state of affairs is innate to Argentina? In any case, that's a red herring.
You can't simply state that the economic policies unilaterally led to corruption as a self-evident truth without some supporting evidence. Clearly officials who have a history of corruption are more likely to institute new policies that benefit themselves as well. Economies are not so simple that causality is easily stated in an absolute manner, especially in so flippant a manner as "corruption […] is a function […] of something inherently unfair". That's probably the most hand-wavy statement about such a grand topic that I've ever read.