The fracking industry - from what understand of it - is a bit of white elephant...??(ie economically not viable for sub $100 a barrel or something)

This is from stuff a couple of years back, when I had a little look at it...
(It seemed to me at the time, to be a bit of a 'folly'.)

and some of us are old enough to remember the seventies.

.. it was the US coming of the gold standard that caused the oil crisis. The dollar value reduced. The war was just the excuse...