you're missing the cause for the effect, multigenerational wealth is the source of inequality. Most generally in the fact the 'west' has been pillaging 'the rest' for 400 odd years.
A factor can be both cause and effect. It’s called a virtuous (or vicious) cycle. These cycles are what reinforce inequality.
A family has more money, so they can afford better education for their kids, so their kids make more money.
A family can afford a good house, in a low-crime neighborhood, with neighbors who are corporate executives. Their kids grow up living next door to the rich and powerful.
Living at home with mom and dad at age 25 might mean living in a house with lead paint and drug use. Or it might get you free membership at the neighborhood country club.
A family has more money, so they can afford better education for their kids, so their kids make more money.
A family can afford a good house, in a low-crime neighborhood, with neighbors who are corporate executives. Their kids grow up living next door to the rich and powerful.
Living at home with mom and dad at age 25 might mean living in a house with lead paint and drug use. Or it might get you free membership at the neighborhood country club.