"Free speech is a right in the USA, not a "value"."

Speech on someone's private platform isn't a right, it's a privilege that they're choosing to extend to you. That's why in this instance, this ID verification law is merely protecting the ethical value and culture of free speech, not the legal right to do so which remains unchanged. It's a shame we don't have separate terms for the legal right of free speech and cultural value of free speech, since it's easy to confuse the two.

  "As for alcohol - purchasing alcohol isn't a protected right and not analogous to speech at all."

I hadn't thought of the angle that banning kids off social media was effectively a government restriction of free speech. Interesting perspective! Any 1A afficianados want to provide commentary here?