One of them collected posts from Hacker News and LinkedIn profiles and then linked them by using cross-platform references that appeared in user profiles. They then stripped all identifying references from the posts and ran a large language model on them.
If I post something on LinkedIn, and then post the same thing on Hacker News, of course an LLM could match my accounts up.
This seems like an invalid test.
If I post something on LinkedIn, and then post the same thing on Hacker News, of course an LLM could match my accounts up.
Am I missing something?