If load on the server is a concern, make the whole database available as a torrent. People who run scrapers tend to prefer that anyway.
This isn't someone's hobby project run from a $5 VPS - they can afford to serve 10k qps of readonly data if needed, and it would cost far less than the salary of 1 staff member.
I’d then ask OpenAI to be open too since open is open.
I could have my mind changed if the public policy is that any public data ingested into an AI system makes that AI system permanently free to use at any degree of load. If a company thinks that they should be able to put any load they want on public services for free, they should be willing to provide public services at any load for free.
It's like having you search through sand, it's bad enough while you can use a sift, but then they tell you that you can only use your bare hands, and your search efforts are made useless.
This is not a new tactic btw and pretty relevant to recent events...