It's effectively a Manhattan Project for fab capacity. The US spent $1.9b in 1941 dollars on the Manhattan project, which is about $400b today. On that scale,

It's effectively a Manhattan Project for fab capacity. The US spent $1.9b in 1941 dollars on the Manhattan project, which is about $400b today. On that scale, the 'trillions' number is only tenfold, which ... is still outlandish, and can't possibly be managed by a single private entity, but is order-of-magnitude-correct for "we're going to force the development of a civilizationally determinant technology by overwhelming application of capital"