DY, how so?
AJ, at present the law in the US does not state that (in Israel it is different regarding terrorist posts). Social media sites are now totally immune for suits based on third-party posts with the exception of Federal criminal liability and intellectual property suits (Section 230 of the Communications Decency Act of 1996). Thus a suit against them by victims of terrorists (Cohen et. al vs. Facebook) was dismissed. This was the whole point of Sen Cruz’ essay. The law can be amended.