[jwestbury]

> It can't tell you about f better learning is worth it

It can, given sufficient inputs in terms of desired outcomes.

Of course, desired outcomes are where subjectivity enters into things. :)

[s1artibartfast]

The process of comparing and weighing inputs is making policy, not science. You can try to reduce policy making to some weighted equations, but that doesn't make it science. Science doesn't encompass all logic and mathematics.