This shouldn't come as a huge surprise. Meta is moving forward with their plans for Theads and the Fediverse, and their adjusted terms reflect a new impending reality for Fediverse users.
This isn't exlusively about Threads.
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;
This isn't exlusively about Threads.