US-protected elections in 3...2...
In no scenario does "they" refer to El Salvador's poor population, especially not the indigenous peoples. The money will go to the colonizing foreign investors and circulate in things like CDOs. A few crumbs that fall off the table will go to improving the lives of the upper end of El Salvador's people, and incidentally some crumbs of the crumbs might fall down to the rest of the population. Trickle down, eh?
There’s some other points to be argued such as people now are holding an asset that is volatile but deflationary in nature by default and they have the option to convert and hold a currency which will lose value over time (USD). I’m not saying “bitcoin is going to save them” but its at least a novel approach that i think is worth exploring for countries in this position.
Consider how much brain power and resources have been spent on quant finance and crypto now in the past 20 years.
Imagine if all those resources had been spent on something more productive.