Meta has no interest in being part of the fediverse, it only wants to eliminate any posible competition.
The usual MO of buying the competitors isn’t posible on the fediverse, so the way to do it is embrace, extend and extinguish
Defederating is important because is Metastasis is allowed in the fediverse it will consume the fediverse, and then we’ll be right back at the corporate social media we’re trying to break away from, with the surveillance, ads and nazis being welcome as long as it’s profitable