You are trying to shoehorn too many of your pet subjects into a 2 minute premise. If you are not controlling breading, you are not practising eugenics.

But I thank you for making me look closer. It turns out the film does have a scientific foundation.

The relationship between fertility and intelligence has been investigated in many demographic studies. There is evidence that, on a population level, measures of intelligence such as educational attainment and literacy are negatively correlated with fertility rate in some contexts.

Wealth too