Earlier quoted context omitted.
I know from my own experience about being poor. How about family of 4 living on less than $100/month income? That's me as a teenager 20 years ago as a member of said family. I never implied that quitting criminal gang is easy. The hardest part though is to overcome greed and change mentality. Unemployed mom and baby sister would likely to be better off without criminal gang member in the family.
Would they? Recall that gangs are partially a matter of self-defense. You join a gang because otherwise rival gangs try to hurt or kill you. You join to defend your family. At least that's the story they spin. Once you buy into the story, it becomes even harder to convince yourself that it's a good idea to leave. I do not claim to know your past. But I know my parents were also poor, and the difference between them a…
2) Why do you equate greed with being rich? These are orthogonal concepts.
3) Yes, it's hard to make right decision when you grew up submerged into bad culture. Fortunately good culture is available too. Even more - bad culture is at disadvantage due to schools, popular mass culture, law enforcement and mutual gang killings.
So in the end the decision of quitting the gang is a matter of personal choice.