That is essentially the core legal issue behind the State of Missouri ex rel. Schmitt, et al. v. Joseph R. Biden, Jr., et al. lawsuit. If big tech companies are censoring speech at the request of the federal government then should they be legally treated as an arm of the government? It will be interesting to see how the Supreme Court rules.

https://ago.mo.gov/home/news/2022/09/29/attorney-general-sch...