It is completely unrelated to a private citizen interacting with a private business in the eyes of American law, American business and Americans ourselves. The only free speech issue here from our perspective is "Is the government illegally restricting Meta's corporate right to free speech?" And no, making Meta identify a user is not a violation of their 1A free speech rights to us.
If you're speaking of a totally different European legal concept, it might be helpful for you to identify that.