I would argue that none of the potential harms you talked about are either realistic or of the same magnitude of closing the online dating industry to new entrants, forcing discussion forms of all sizes to adopt automated censorship programs to defend their owners against a credible threat of jail time if anyone is found posting anything about trafficking on the platform, and a plethora of other side effects better described in the original article above.

I think you’re right when you say the technical detail of the assault rifle definition is irrelevant. Just because I don’t know as much about gun types as you does not mean that I can’t see that banning a particular type of firearm will not lead to civil war, but weakening 230 will lead to the centralization of censorship of the internet.