[austenallred]

It doesn’t really matter. As a purchaser of x it doesn’t matter to me what it costs to make x so long as I know clearly what x is.

A Stanford grad doesn’t know what the marginal cost of their enrollment is.

[maxerickson]

It doesn't matter particularly to the student, but there is some utility, even from the outside, in estimating how much direct value a school provides and how much of a matchmaking service it provides. Your whole premise is that universities mostly provide matchmaking!