At least not where I am. If all electricity is out and the government collapses, I see that as a return to civility. The community will not cannibalize itself, but band together. Strangers will be forced to work together to make a new life. Communities won't be disconnected anymore.
Food, seeds, and water are the most important things to store, but I don't think gangs will run everything just because the government isn't there to stop them.
End The Fed!