I would agree except for this...

"A glance at the input-output matrixes points up how little
activity/wealth is generated within an economy by the production
of a billion dollars worth of agricultural products and how much
is generated by the production of a billion dollars worth of high
tech / high value added items. "

When there is no food on the table, having not made the investment in
agricultural production shows the ignorance of this thinking.

Having a sufficient agricultural base allows a manufacturing base to
develop and thrive...not the other way around...ask anyone who has ever
had to go hungry whether they would choose a sandwich or an Ipod.

TMT