Having said that, I know the only long-term successful economic reform in that part of the world was carried about under a military government, that of Augusta Pinochet, in neighboring Chile. It turned that country into the jewel of Latin America. While still characterized by some poverty, it drew illegal immigrants from other dysfunctional economies in the region desperate for work. (Sound familiar?) in recent years the corrosive virus of mass democracy has threatened to overturn a lot of it, but so far the main pillars of the Pinochet reforms AFAIK are still intact.
Argentina is fairly similar to Chile, a fairly well-educated population, a country with significant potential to escape the trap of its stupid infatuation with something-for-nothing economics. But I think Mr, Milei had better strike while the iron is hot. Reform maximally, immediately. The parasite economy is chock full of pressure groups eager to feed. Make Argentines responsible for their own food, housing and retirement, and let Argentines get ahead by providing these things. Let them buy from foreign producers and sell to foreign buyers as they wish, and not as some overeducated minister just knows they should. Let them compete, and let then live free from the completely unnecessary burden of high inflation. Then hope it starts to pay off fast.
You have to institute as much reform as you can, as quickly as you can.
And, do not allow the left to dominate the media.