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…
> It's hard to imagine that shutting down the entire Internet would be taken well even by their supporters Do you really think an authoritarian government cares about what people think? If there is a majority that supports them? They don't.
If it loses a large number of supporters, and is forced to suspend even the illusion of democracy, a lot of things would change. It's hard to predict exactly what, but it would be ugly.
That's not to say that they won't. As you observe, they will do what they think they can get away with. But shutting down the entire Internet might be something that they can't get away with.