The whole article is about how stable family is generally what gives you economic a social benefits.
But the data tells quite a different story. Poverty, even extreme poverty, is surmountable. What is nearly impossible to overcome is the instability—the psychological havoc—created by broken homes. Especially for boys. Research in psychology and economics shows that childhood instability has much a stronger effect than parental socioeconomic status for a variety of important outcomes, including education.