This is why it's wise for researchers and business leaders to temper expectations. Better a constant modest flow of money into the field than a boom-bust cycle with huge upfront investment followed by very bearish actions.
I think the problem is, that's absolutely against the specific interests of university departments, individual researchers, and newspapers - even if it's in the interest of the field as a whole.
Prisoner's Dilemma
And more importantly, business and government leaders wise up and turn off the money tap.