Even if your optimism had some basis in reality, about 12 guys with $5 serrated pocket knives bought on aliexpress could knock out 80% of communications in under an hour. Fiber optic strands are alarmingly tiny, and wrapped in day-glo orange plastic tubing making them intentionally easy to find.

For whatever reason it's taboo to talk about how fragile infrastructure is, but if you wanted to shut something like comm links down, that's a problem for whoever installs the new judiciary. Chances are, whoever gets the job of being the new judiciary is likely to rule it as acceptable use of emergency powers.