A name like Fei-Fei Li is probably worth a chunk of that (I'm not saying I agree, but that's probably the thinking).
It's a public bet, not a valuation based on product economics. Billion dollar bets follow different rules (and I'm not saying it's sane).
> A name like Fei-Fei Li is probably worth a chunk of that
You're right. Her bio writes like an OP self-insert character's [1].
[1] https://en.wikipedia.org/wiki/Fei-Fei_Li