Does anyone know why Optimism says that the right amount to reward public goods is with profit equal to impact? I'm trying to ground that idea 

Is there anyone from Optimism here on farcaster?

https://abundances.substack.com/p/how-crypto-solves-the-problem-of-public-goods-8ae7125459a8

The only problem is externality pricing.

Building https://negationgame.com

imho, opposite interpretation to the possibility of toll-gating a public good to extract actual market value via revealed consumer preference. but I wouldn't say profit, it'd be growth of the entire market that's attributable to that, and that's really only one definition of "how good" in finance, not other terms.