Surely, several factors beyond intelligence determine the outcome of one's life (family, environment, education, self-esteem, drive, determination, opportunities and luck to name a few.
We have a responsibility as human beings to insure that those who need the most help get it. That includes those who have limited mental and/or physical abilities.
The choices one chooses to make is a different kettle.
Regardless of circumstances, if one has been provided enough nurture to grow and they know better but choose not to be productive...the onus is on them.
The blueprint for success has already been codified. Many AfroAmericans have worked it to positive effective in their lives individually. We just haven't translated it into ownership collectively i.e. wealth.
The system of racism white supremacy is very real. It does not absolve AfroAmericans from doing whatever it takes to dismantling it. Mastering capitalism is a step in that direction.😎