RE: why is milk protein/casein so expensive?
And "economics is the social science which studies humans behaviour as a relationship between ends and scarce means which have alternative uses".
God, my economics degree just came flooding back to me.
When I was a young boy, my father took me into the city to see a marching band. He said, "Son when you grow up, will you be the saviour of the broken, the beaten and the damned?".