Because you can't do that. Most of the population is at the wrong point on the normal distributions of capacity or caring enough. Even the NPR listeners will still nod sagely when it tells them "akshually air conditioning doesn't cool a room, it cools the air."

We already spend high within the OECD to not get many of our students to a decent level of reading and math proficiency, let alone to critical thinking. This isn't something we know how to fix, and depending on that assumption is dangerous.

But biasing the models purposefully is wrong. Trusting the people who are actually in power in a democracy is the only way. Even if they're dumb. We trust them, or we're not a democracy, we're a technocracy where technocrats determine what everyone is allowed to learn and see.