What you're describing is illegal. Freedom of speech also means freedom from compelled speech. The government cannot (at least outside of very specific circumst

What you're describing is illegal. Freedom of speech also means freedom from compelled speech. The government cannot (at least outside of very specific circumstances - like an employer informing employees of workplace protections) make companies publish content. If congress tried to pass a law forcing YouTube to host PragerU's content, that would get immediately thrown out by the courts.