Chapotraphouse

They did that too, with hackernews and linkedin accounts, as well as some anthropic interviewees. I'm less sure how impressive that is, because the accounts were linked by the owner. So they obviously don't care about opsec, so they're probably less careful then they otherwise would be. The paper isn't a super hard read if you're interested. But yea they don't actually dox reddit users, they do multiple different steps in that chain but not the whole thing. Guess we'll all have to see how well this works in practice.