[logn]

> an already solved problem

It's a hard problem to generalize.

> balance between people who want to scrape Linkedin to spam people, others looking to do good with the data they scrape, and website owners who get aggressive and threatening when they realize they are getting scraped

Agreed. No one wants to be the bad guy and most clients looking to spam people are awful clients to have anyhow. Btw scraping LinkedIn is fairly difficult/expensive and they like to sue people.