Meanwhile, over at Blueksy.app a few days ago, the users were incensed about a 1M-post data set and hounded the creator in to withdrawing it.
https://bsky.app/profile/danielvanstrien.bsky.social/post/3l...
https://bsky.app/profile/danielvanstrien.bsky.social/post/3l...
That's the difference.
Every time I hear "anonymous data", I think of that time AOL published anonymized search logs (for academic research). The anonymization was negligent, and an NYT reporter de-anonymized and tracked down one of the users with the local & personal info present in the search queries.
https://en.wikipedia.org/wiki/AOL_search_log_release
https://web.archive.org/web/20130404175032/http://www.nytime...