[cup]

Would this then make the case even more pessimistic, considering there is an inverse correlation between family sizes and parental education levels.

I.e. smarter individuals have less (or no) kids.

[mahyarm]

Urbanization in general reduces family sizes. Something like free RISUG procedures for 13+ males, and the procedure being promoted during sex ed classes would probably reduce irresponsible pregnancies significantly. Even the US government would benefit significantly from reduced expenditures with a program like that.

[bicknergseng]

The Mike Judge/Idiocracy Theory of Evolution.

[baddox]

It might be pessimistic if you're egalitarian, but nature doesn't seem very egalitarian.