I agree with you, I think corruption is everywhere. Except in most 1st World countries it is punished when discovered. My Brasilian wife used to say the same thing you do, that corruption runs all countries. Until she went and lived in the US for a couple of years. She was SHOCKED that we actually put politicians and police in jail for corruption.
Secondly, the driver of any economy is the middle class. You can get a good proxy of the future of a country by seeing how well the middle-class is doing. What do you think is happening to the middle-class in Argentina? Is it growing or is it shrinking? Relatedly, one of the economic markers for a struggling and weak economy is the distance between the lower-class and the upper-class. Or, one could say the percentage of wealth held by the top 1% as is the case now in the USA where that percentage has grown and is growing fast. I predict major problems for the USA, but back to Argentina.
I fully understand the populist effect that CFK has. She's a master at pulling at the heart-strings of Argentines and raising national pride. However, economically and many other ways this is a train-wreck waiting to happen (to use a bad pun).