> If $7 trillion in investment and manufacturing allowed us to produce human level+ AI then the economic benefits of this would be in the tend to hundreds of trillions.

Sure, but right now that "if" is trying to do 7 trillion dollars of unsubstantiated heavy lifting. I might be able to start creating Iron Man-style arc reactors in a cave with a box of scraps and all I ask is 1 trillion, so you all should invest given how much money unlimited free energy is worth.