[dragonwriter]

> I do believe public vs. private is relevant in terms of legal responsibility

The kind of “public vs. private” by which Twitter was once public is relevant in terms of whether or not they are subject to, say, certain SEC regulations, which are a form of “legal responsibility”, but it is not relevant to whether or not they are legally considered to be federal or state government entities under the 1st and 14th Amendments, such that they would be restricted from the kind of content-based restrictions the government is prohibited from imposing.