I wish there was a translation of this article into English: https://decorrespondent.nl/511/waarom-arme-mensen-domme-ding...

Basically, the argument is that "poor people do stupid stuff" because their "intelligence bandwidth" is being sucked up by worry about where to find the next meal/rental payment/etc. leaving no brainpower for what we well-off and spoilt folk would call "constructive pursuits".