Yes, I imagine Ammon & his pals are mere babes-in-the-woods when it comes to the land...
The fact that his group is soliciting warm clothes and food donations shows that he had no intention of living off the land in the east Oregon winter, and that he did not bring sufficient equipment.
Hugh Glass he ain't - he's got the figure of a man who has gotten more used to Golden Corral than actual corrals.
That's the kind of conditions that separates world-class outdoorsmen from weekend warriors.