Chou Toshio
Over9000
All of that is completely irrelevant because of the real facts of reproduction within first world countries.Saying that a certain trait is always not successful is a very myopic way of thinking. K-type reproductive strategists tend to have fewer progeny due to their prolonged lifespans and high maintenance of their children. As the number of children being cared for rises, the difficulty of raising rises exponentially. Therefore, in order to produce optimal progeny that has a higher chance of being a suitable, well-adjusted mate likely to reproduce one must limit the amount of children they have to a number that has at minimum care costs that match the returns the child produces. Having as many children as possible is, therefore, not the greatest idea.
High Intelligence / High Income Reproductive Model
Model:
-Very high expectancy to live to reproductive age.
-1-2 offspring
Cons/Risks:
-frequent adoption
-High risk of offspring being obsessed by career and not marrying/reproducing
-High risk of offspring getting complexes / disorders preventing them from reproducing
-High risk of children being so obsessed at finding the "perfect" partner that they never get a partner
-Higher risk of your female offspring becoming strong feminists who scare off men (and not marrying before the age of 40)
-High risk of offspring choosing a homosexual life style
-High risk of your children adopting
-High risk of your children deciding children are not important
-Less cultural commitment to marriage and child rearing
-High risk of unsuccessful reproduction because of low expected birth rates
-Lower incidence of un-planned pregnancy due to higher use of contraception
(if you have fewer offspring, every problem that could potentially happen to your offspring becomes an even greater risk).
Low Intelligence / Low Income Reproductive Model
Model:
-Much higher chance of having 3-5+ children
-Still very high chance of living to the age of 18
-Very unlikely to adopt
-higher incidence of unplanned pregnancy due to less proper use of contraception.
Cons:
-Higher incidence of early death related to involvement with crime.
(All problems represent less risk when spread over several offspring).
TL;DR, even if you come from a low income family in a 1st world company, your odds of living to 18 is still very good! You are also more likely to find a partner and reproduce.
It is almost impossible to argue that in terms of reproduction, high income model is superior to low income model. Low income model absolutely has more reproductive success.
Even if high income model was extremely successful in reliably producing 2, intelligent, well-educated high income offspring--by sheer numbers in the race to reproduce, odds are that those 2 children, or their children, would eventually choose a mate from the low income model. In this model it's impossible for higher intelligence to emerge as the more prolific trait.