“”Look for the oligarchs to retreat to their perimeter controlled island fortresses protected by the ‘domestic army’ “”
They better find a way to feed themselves because nothing will roll across the bridges and in 48 hours the people on the island will be eating,,, ,,, ,,, each other...
You have not been paying attention. The oligarchs have built several ‘sites’ where food and water and fuel and perimeter control are stored and waiting. It is the cities where the residents will be upon one another. The oligarchs will be safely hold up and protected, to wait out the slaughter by starvation, disease, and mayhem.