The Internet Research Agency organizing multiple Black Lives Matter protests due to control over approximately 50% of the largest identity-based Facebook groups is just one small example on a long list of examples of social unrest and the consequential ushering in of sectarianism and destruction of democracy that the current status quo is enabling. The pro-freedom types do not even know this is happening let alone have any solutions to it. Turning a blind eye is all they have. So until they show an awareness of the existence of the issue I will be siding with the only people who have put any effort into addressing the problems.
Lets assume you are right that there is effectively a constant stream of low level sybil attacks attempting to destabilize society, and they are effective.
Censoring view points is equivalent to signal boosting other view points. Why do you trust the UK government to select the correct view points given all the strong evidence to the contrary?
That's just as bad of an argument as so-called intellectual walls of text. Nothing needs to be done, the outcomes are not bad. My argument is as strong as yours.