> Instead we gave a small number of people all of this money for a moonshot in a state where they squabble over who’s allowed to use which bathroom and if I need an abortion I might die.

AFAICT from this article and others on the same subject, the 500 billion number does not appear to be public money. It sounds like it's 100 billion of private investment (probably mostly from Son), and FTA,

> could reach five times that sum

(5x 100 billion === 500 billion, the # everyone seems to be quoting)