My brother in law is a prepper - he has something like 5000 rounds of .223, etc. Thinks he can go up into the wilderness and survive when the revolution comes.
You cannot reason with this type of person - nothing will make them see that if the basic infrastructure fails completely, an assault rifle is not going to provide sufficient food, shelter, and services to let them live on in isolation.
It is strangely similar to the JW view of instant paradise on earth after all the support facilities are destroyed at Armageddon.
Of course, they trust in Jehovah rather than an AK-47.