Violence Quotes in No Country for Old Men

How we cite our quotes: (Chapter.Section.Paragraph)

Quote #10

Everything that Wells had ever known or thought or loved drained slowly down the wall behind him. (6.2.13)

This is another one of those strangely poignant moments that remind us that the people who die aren't just cannon fodder, like Star Trek red shirts. They have thoughts and feelings, histories and families. Why does McCarthy choose to illustrate this with Wells in particular here? Does he do this with other characters?