Earlier quoted context omitted.
There is concern that the US may also go from chronic concerns to acute ones. Opponents of the government accuse it of serious crimes, and are already perceiving violence used to suppress dissent. The administration is not popular and may lose a lot of power in the upcoming election. It's hard to imagine that shutting down the entire Internet would be taken well even by their supporters, but the point of the exercise…
Keeping things in perspective, no, there is no reasonable concern of this happening in the US in the near term. The places where this happens, like Iran now, are in extremely different situations than anything in the US, or any other Western country. That shouldn’t discourage people running meshes though.
It's both strange and sad that this book doesn't seem to get much traction these days: https://en.wikipedia.org/wiki/It_Can%27t_Happen_Here
Trump is Windrip... or at least he would be, if he had his faculties about him. Even if you're a Trump supporter, you can't possibly go on denying that if you read this book.