This article is really about testing the limits of Section 230[0][1][2].
Specifically section 47 U.S. Code § 230 "No provider or user of an interactive computer service shall be treated as the publisher or speaker of any information provided by another information content provider"[3]
[0] https://crsreports.congress.gov/product/pdf/R/R46751
[1] https://en.wikipedia.org/wiki/Section_230