Hi. As a local, and a sociologist (not to brag, but I have studied this gigantic complexity of peronism) I dont see you actually have a good idea of what it is.
In economical terms, talking of structure, of what happens in the economic field, that later projects and constructs ideology, politicians, ideas, culture, etc, Peronism is, as a well known argentine analyst says (who did his entire carreer in the US, Guillermo O' Donnell) a defensive alliance, of the pymes, the great network, like a fabric, what we call "tejido industrial" or industrial fabric, internal market oriented.
What are they defending from? (always talking exclusively from an economic pov) They are defending from the big national capital, the concentrated capital, that manages the internal market, some export, huge companies, some important industry, as Techint, etc, PLUS the multinationals, the external capital, mainly from US, and the big land owners.
This is from a structural point of view.
Now, politically, it is very complex. For instance, Peron gave a lot of rights, and power to the unions, to the working class, it was the bigger industrialist fase of our history (big industries, arms, trains, planes, migration from the interior to the city, full employment level, etc, our new deal..... KEYNESIANISM) but also, to the big national industry.... that was just for a moment, a class alliance: the working class + big industrialists versus, obviously, the people who support economically this, EL CAMPO, the land owners, the main entrance of dollars of the country, since our industry is not competitive for export and only to supply the local market. There was nationalism, including a pinch of militars nationalists in Peronism.
The middle classes hatred the first peronism, while 20 years later, given that it was prohibited, Peron in Madrid, the militars in power for so many years, no democracy whatsoever, they started to like him. In the 60, in that context, French May, Cuban revolution, Che Guevara, cold war, hippism, Viet nam, Independence of Asia & Africa, etc, etc, etc, lots of middle class people embraced socialism, not per se, latin american socialism, which oposed 100% to US capitalism. This socialism is mainly nationalist, to defend our development, cause our capitalism is quite different than europeans or americans, is what Stiglitz says, "capitalismo de pillaje" crony capitalism, without strong institutions, allowing people in power do what they want. Money, money, money. With money you can do whatever you want. No democracy, no political representation from the working class, or middle class, unions intervened, peronism prohibited... that for 18 years. If thats not the breeding ground for a bloody dictatorship then what it is.
Thats why the young upper middle class students wanted peronism.
So basically we have two sides:
1) Unions, working class, pymes, our weak industry, or everything that is related or oriented to the internal market. Economically: Keynesianism, protectionism (they protect argentine jobs all in all).
2) Big capital, great industry (leftover from the 40s), multinationals, land owners, etc. Economically: neoliberal, which means: market friendly in an argentine level, which is no other thing that avoid ANY tax to investors, and let multinationals destroy our weak industry.
Now, Peronism has, besides this huge bizarre propaganda element, a GREAT dose of authoritarism when in power. One may say its necessary to fight againts that enemy (90% of the media, etc), or to run a country relatively in peace given the power the other part has. I think, probably cause Im naive, that it is not. Yes the unions are maffias, big mafias, but still, due the high grade of politization of argentine people (Perons legacy) the unions have this power and they DO care for them, they do, they maybe are all what you want, but they dont kill theirselves getting rid of their bases. That is, the power the unions have against the big capital, for example, the cause of inflation, something that distinguishes Arg from Latam.
Anti peronism: lots of coups, dictatorships, torture, desappearence, kill thousands and thousands, repression, bomb the Plaza de Mayo killing houndreds in one afternoon (for instance, a school bus packed of children), because of the HATE that provokes losing privileges, because of the hate of having to subsidize our poor industry, our State, our public school, hospitals, parks, jobs, everything.
Violence, is clearly more used in history by one side. Clearly: duration, intensity, ways.
Corruption is patrimony of boths sides.
This unbalanced economic structure of EL CAMPO financing our industry and almost everything have not changed along the years, our industry did not become competitive although helped a lot our alliance with Brazil during the K era.
So we have that peronism is actually the only national project to grow and develop. Sadly. Because the others only want a banana republic, in the facts, in how they act. It seems there is no win win situation. Industry becoming competitive is far, and EL CAMPO can not employ that people.