Instead, nowadays it's Argentinians that come to Brazil to make a killing at the low prices here.

Your local currency having a crazy valuation after your country just fixed hyperinflation isn't anything new. It's kinda of an obligatory stage. It can get fixed quickly enough if you remove the foreign exchange restrictions.

As always, how the government reacts now to solve all the disparity that high inflation created is what will tell it's a good government or not. The disparities being there right now isn't... But odds are that now his government will terminate before he can do any real work there.