Most of the suicide hijackers came from Saudi Arabia, a place not lacking in wealth. But due to rapid population growth, the wealth per capita has fallen by about half in a generation.
People repeat behaviour that leads to flooding their brains with pleasurable chemicals. The short-term reward loop acts over hours to years, and the long-term reproductive success loop over generations.
People under the influence of cults is similar to that we observe in addicts. Typical behaviour for both includes draining bank accounts, neglecting children, destroying relations with family and losing interest in anything except the drug or cult.
Some people recovering from drugs or alcohol stay with the programs indefinitely, making the recovery program their family, a long-term source of attention rewards.
The information that is passed from person to person and from generation to generation is the primary factor that gives humans a competitive advantage over other animals.
The rare person is still interested in new advances when they are adults. There is possibly a correlation with intelligence. In any case, you have to be fairly bright to keep learning and changing attitudes as you get older.