I just came here to say that he was not as cool as you think. That's why he died, yeah he had a book that told him poisonous seeds were ok to eat, but the guy was also a retard. I tried to find accurate info and sources vary but it seems like he took about 5kgs of rice with him, loads of people were offering to get him supplies, even the guy who gave him a lift to the trail. But he refused them all.
People out in the northern wilderness survive because they PREPARE for the winter.
For most of his outing he relied totally on other people, even stealing food at some points; and then he thinks he can live off the land like it's nothing.
Yeah, maybe he was fucked over by the poison seeds, but when he went to cross the river to go back home, and found it had now risen, he didn't even walk down the banks to look for a crossing. I'd have gone at least 5 miles each way, if not, 10; not like you can get lost following a river. There was a cable crossing HALF A MILE from where he was. Which means to me he definitely didn't even try the tiniest bit, because he was way more retarded than he was cool.
I don't even think he did any trapping or fishing. He just had a rifle and relied completely on that for wild game.