Saying Americans have become complacent and lazy because they don't know how to catch, clean, and cook a rabbit is like saying that Americans have become complacent and lazy because they don't know how to steer a covered wagon across the plains.
I suspect that any scenario in which hunting/trapping becomes a valuable skill for a significant portion of the population is also a situation where knowing how to operate an animal drawn vehicle is also a useful skill.
This fiction about civilization collapsing, but then surviving on your wits and hunting skill, is the stuff of YA novels.
Finally, if we experience some type of catastrophoc event: total war, nuclear winter, natural disaster, I will still be eating.