A very detailed article about the whole Meta (Instagram/Threads) vs. Fediverse discussions. It's a long read, but well-worth it if you're interested in the subject.
It's probably a good idea to limit/defederate with this when it shows up, as it's a vector for EEE and Meta will be doing the usual data collection shit they do with their users, but now with Fediverse users as well. They just got hit with a big fine for violating the GDPR.