Public education is extremely different from age checks in apps. Yes, homeschooled people are generally really dumb because humans are not born with the knowledge of the world or how to teach it. This is different from California telling Debian to ask for user ages.

You have that backward.

The home-educated typically score 15 to 25 percentile points above public-school students on standardized academic achievement tests.

-- https://nheri.org/research-facts-on-homeschooling/#Academic