Government and corporate cooperation in anti-disinformation campaigns is certainly an interesting, unsettled area of law. It's likely going to come down to the

Government and corporate cooperation in anti-disinformation campaigns is certainly an interesting, unsettled area of law. It's likely going to come down to the degree to which the government's efforts are coercive or not upon Facebook et al, and I wouldn't be able to tell you a priori if the current efforts do or do not violate the First Amendment. It would certainly be welcome to see some people actually advancing these arguments in legal suits, but the extant cases are turning on allegations which don't advance these claims very well.