They enter office to take the bribe and sell us out. That is how the game is played. That is how thousandaires become millionaires.
SEC & FTC regulations generally, and CDA/230 regulation specifically, definitely apply. RICO statutes probably apply. Anti-Trust regulations probably apply.
We do not need new regulations. We need the political will by those in office to enforce existing authority over these publicly-traded corporations (not private companies).
We do not have that. We have sound and fury signifying nothing - as usual.
Section 230 explicitly protects their right to block content they consider objectionable (see added highlighting):
47 U.S.C. § 230 (c)
(1) Treatment of publisher or speaker
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.
(2) Civil liability
No provider or user of an interactive computer service shall be held liable on account of--
(A) any action voluntarily taken in good faith to restrict access to or availability of material that the provider or user considers to be obscene, lewd, lascivious, filthy, excessively violent, harassing, or otherwise objectionable, whether or not such material is constitutionally protected