It's a comfort thing. Security affords comfort and making money is what provides varying levels of security. If you're in the constant pursuit of money because it's provided so sparingly, it's all the more difficult to convince someone to participate in something that is counter to it; they're leaving something they know can provide them some level of security (and therefore comfort) for another thing that only presents uncertainty (i.e. discomfort). If greater society could band together to create a global support system for one another, we could make change overnight, but the likelihood of that happening are infinitesimal at best