Argentina had a persistent history of coups, dictatorships, and unstable governance before and after Peron.
It does a disservice to both Argentine and American history to compare either when their institutions historically and currently are not comparable.
This is why it is best to look at Brexit. You might be a boomer, but Brexit happened almost a decade ago, and the shakeup that happened in 2016-22 is enough data to understand how similar shakeups would impact a state with similar institutions like the US.