This smells like a half-baked conspiracy theory. It's not like the overwhelming majority of people want to get smarter in their free time. I'm not sure how it is in the rest of the world, but in American and all (individual) European cultures, most people don't pursue self-education. I would not be surprised if this applies to most other cultures as well
You might say that's how a lot of people on this website got their knowledge, but this website is statistically insignificant compared to the world population. Plus, it's not like every single member here pursues self-education. I'm willing to wager most people come on here just to be entertained