Conservatives maintain birth rates, while left-leaning Americans have far fewer children, driving the U.S. birth decline. Education is consistently linked to fewer children, while religious attendance

Kinda. The couple in Idiocracy were waiting for the right moment for them until it was too late. IRL people are choosing not to have children not (just) because it's shitty economic decision for the parents, but to protect the would-be children from the absolute dystopia we're building for them.

Our children are best off not existing.

Idiocracy got a lot right, but honestly the future we're headed for is a lot darker. Ours is driven by malice, not just stupidity.