how about shortage of oil?In reality if a huge natural disaster happened like hurricane Katrina, a supervirus, asteroid impact/nuc attack, or a long term bad event like the great depression happened do you think you'd be prepared?
Lowkey people only have about 2 weeks worth of food up in the crib. It only costs a 1,200 to get a 6 month supply of food(25 year shelf live) and stored water. Keep in mind after a long term power outage all you fridge and freezer food is gone after a week.
5,800 Total Servings 1-Person 6-Month Deluxe Food, Fuel & Water Storage
For protection and foraging most people even with the clean record, don't have a handgun or even simple 50-100 dollar rifle or shotgun to just lockup just in case. People think that the police/military will always protect them.
Back during the great depression people lowkey starved to death rather than loot, do you think people would do that today. Literally people went to the banks in 1929 and could not withdraw their money.
In reality those in urban areas would be very screwed and if you have a family you'd be done too.
Movies like The Road, and TV series like the walking dead tv series have me shook. If your not prepared your screwed.
You go on youtube and see these cacs armed and prepped to the teeth.
that would cause chaos
and if anyone tried to stop me I'd be like 
then I'd go back to the crib like 
