I think it’s pretty safe to say that the majority of us are here to avoid another corporate takeover of our preferred platforms. It would seem to me to be a tad irresponsible to allow Facebook into our space with open arms, allowing them to hoover up our data. I would love to keep using Lemmy.world, but will happily change instances if need be, and I feel many share that sentiment.
Privacy is the less relevant point here. Keeping the fediverse alive is the central point. Just look at reddit to see how corporate greed can fuck up a social network. Or google groups killing the usenet by “federating” with it. If you want the expanded version: https://ploum.net/2023-06-23-how-to-kill-decentralised-networks.html