"Maybe that's related to the upbringing of today's 20-somethings and maybe it's not"
Science shows pretty clearly that it is related to upbringing. C.f. Punished by Rewards.
The way high-SES parents overstimulate their infants and toddlers also seems to be causing long term damage to executive function. Because of poor parenting and the way our school system is designed, kids are essentially graduating with severe cognitive damage and are unable to invent and manage their own lives.
Science shows pretty clearly that it is related to upbringing. C.f. Punished by Rewards.
The way high-SES parents overstimulate their infants and toddlers also seems to be causing long term damage to executive function. Because of poor parenting and the way our school system is designed, kids are essentially graduating with severe cognitive damage and are unable to invent and manage their own lives.