This is an interesting article. It does go to show how much can be learned by simple “hobbyists” in any task.
If it is true that many of the marksmanship training principles have not changed in the military, then there needs to be some changes. Some of these principles were written at a time when every boy hunted small game and every teenager hunted large game, and all were familiar with guns when they joined the military. I would be willing to bet that many young soldiers today did not grow up shooting. Discuss!