And if you tell people that quitting smoking, drinking, and walking 10,000 steps a day would make them healthier, that’s true, but it’s not helpful on a national scale—especially for issues where the cost is not only borne by the individual but also by the rest of society.

This works - until they grow up. Will you filter the world for them when they are adults too? Your role, as a parent, is to prepare them for independent life, life without you. How will you do that if you never give them the reins?

They get the reigns when they're an adult. The prior poster did mention supervision.

Clearly by installing a wrongthink iron dome around the world!