Persistence hunting can be seen in even some modern-day aboriginal tribes. It's not as far-fetched as you think.
Though, it does involve broadening your mind a bit further than the rather cordoned-off expanse you seem to be currently plagued with.
I'm not saying you didn't posit a fair and honest review. I just can't help but notice that it is stained with a rather cynical shade of *sigh*.
The author's "employer" is the logical use of the human foot itself. If that is what he is shameless plugging, then I see no reason for him to ever possess any shame.