Answer:
When Death said "A SMALL BUT NOTEWORTHY NOTE I've seen so many young men over the years who think they're running at other young men. They are not. They're running at me," I believe he meant this: young men in battle see their adversaries as each other. This viewpoint gives them a certain expectation of what will happen. However, in actuality they do battle with Death. Death does not mention, however, that young men’s inaccurate understanding, whether devised by themselves or promoted by their superiors, provides the foundation for all battles to take place.
Explanation:
1st person: I put the kettle on.
2nd: You put the kettle on
3rd: She put the kettle on
1st person is when it is from you. 2nd is when it is directed at people or someone, kind of like cookbook instructions, 3rd person is observing a person or thing.