It's not that they can't…….
they won't.
Cheney's father was the crook that altered the report investigating the CIA, removing pages about their assassinations and GHW while he was Deputy Chief of Staff for Ford. Then when Rumsfeld moved up to Secretary of Defense, Cheney became Chief of Staff for Ford.
Got food requiring no cooking.
If shtf, cooking will attract too much attention.
Also, tools to repair gear,
like heavy duty sewing.
Keep old shoes and clothes.
Shoes are not so old when you don't have anymore,
and include spare shoe laces.
You can't have enough socks.
Essential oils to combat bacteria and fungus,
especially tea tree oil.
First aid books.