Thread: why should one own a survival knife?

There seems to be a trend in the USA for survivalists to carry a big bush knife as a Do everything knife from chopping wood to carving a deer to killing North Koreans.
Here is an exemple:Home
My view is that unless you are going to stick pigs, a simple folding pocket knife with a good steel and a hatchet can do as much as those big knifes but more efficiently at each of their specialised tasks.