In a big city, cut off the electricity and in about 4 days What happens? A lot. All bad.
Very true. But who is going to do it, and who does it help or hurt politically?
If seen as an act of terror by the Right, it helps the Left.
If seen as an act of terror by the Left, it helps the Right.
If done to one city, the effects are minimized.
It is not certain that this tactic wins a Civil war.
In a civil war, electricity, public transportation, civil order, food supplies, and sanitary services are among the first thing to go. People in the rural areas can tough it out. People in the big cities are going to have it rough. The longer it lasts, the more house cats, pigeons, and rats will be eaten. It was not a civil war, but if you want an idea, watch some of the videos depicting the siege of Leningrad on youtube.