So that was tried recently, they did all sort of job placements and stuff. It did not go well. Look up the topic on el salvadores two main subreddits . They set them up with trade school and stuff and they just kept doing gang shit.
What Bukele has the opportunity to do is heal the soul.The rest will follow. Get them to try DMT, Mushrooms, LSD, Mindfulness Meditation in a voluntary program. Along with Victim Reconcillitation interviews, tattoo removals. They will be completely different people. Some small number will never change, but that is a fraction of the current prison population.
His main thesis and that of Salvadorians is, understandibly, shaming and spite. The whole perp walk and one meal a day thing.
But carried on too long , without reintegration and he is just creating his opposition army.