Universally necessary services like communication, healthcare, and social media (the digital plaza) can never be justly managed by private companies. It is an inherent structural contradiction that has failed and will continue to fail our society until we are willing to organize resistance beyond the realm of consumer choice.
Facebook page is not necessary communication. That's telephone and mobile networks. Healthcare is successfully managed by private companies all around the world - even in Europe (the funding is organized by law but still the hospitals are private companies and half of EU countries have private health insurance companies). The horrors of publicly managed social media were already tested here in Europe too and we never…
Social media is just a basic telecom utility service. Most of societal communication takes place on it. It’s fundamental enough that most individuals, businesses, celebrities, and government officials participate in it. I don’t understand the distinction you’re making - to me it seems fairly fundamental and it also seems like social media depends on network effects, which justifies regulating the biggest ones.