Or maybe people make themselves miserable because they don't realize that there's nothing really stopping them from doing all the things listed in the comic could be done in the comfort of their home.
Well I suppose to do hunting you'd have to leave your house, but I think it's something that's far more enjoyable if you don't have to worry about starving if you fail.
The real joke is people so far removed from nature they don't have a concept of how harsh it is,