It makes even more sense when you consider that the second-order effect would be that people migrate their discussions to sites operated from countries outside the US, which have their own political agendas. Perhaps you can think of a country that has advanced cyber capabilities, strong control over local platforms, and resentment of US global influence.
This MO of triggering national self-destruction becomes more obvious the more examples you see, such as the spreading of misinformation about 5G or vaccines/masks, in order to radicalize citizens into destroying their own communications infrastructure and overwhelm their health services.
The problem with this, IMHO, in today's polarized world is who judges whether moderation is balanced? Whichever party currently runs the executive branch? A commission whose members are squabbled over like the SCOTUS? Etc. Similar to trying to bring back the FCC "fairness doctrine," it feels unrealistic at best... or a backslide into government censorship at worst.