In answer to your first question, I keyed in on this comment that you made in the OP: "Generally speaking, we treat the value of labor in accord with the cost o

In answer to your first question, I keyed in on this comment that you made in the OP: "Generally speaking, we treat the value of labor in accord with the cost of developing a skill." Physics degrees are awfully hard to get, and yet for every physicist, there are surely many more sales people who get paid more. So this is what I disagreed with.