[harryh]

Ya, it's certainly more nuanced than I was going to get across in just a few sentences. Mainly I wanted to push back against:

"the field contributes nothing to society, and has only negative externalities"

[VRay]

I think it's fair to say that someone is going to contribute less to society working on HFT than they would by using the same skills to work at NASA or SpaceX, though

[rhexs]

No....uh....”liquidity”.