The VAST majority of people simply could not cut living in the wilderness, cutting themselves off from society completely. It is an extremely difficult life. Most people wouldn't know so many critical skills you would need to even begin to think of pulling it off. Even when you look at "successful" instances of this, you find they still return to civilization to make up for shortfalls, like making sure there is enough food, using gas, complex machinery like power tools, vehicles, and generators, etc.