A quick Google shows that signing up for Threads requires you to walk the gauntlet of t&C agreements; and deactivating or deleting Threads would lead to your IG account being nuked; and that there’s a following and world feeds both heavily informed by the Meta / IG algorithms.
A challenge to the EEE could be mounted by encouraging other social media giants to form an oligopoly on fediverse. Sadly this would slowly make self hosting a larger pain than it is for most
resketreke