Based on data from https://fedipact.veganism.social/ it seems that the majority of instances blocks threads.net. I'm sure there's Lemmy instances with either approach that have slipped through the cracks as the list is a work in progress.
The percentage of users doesn't correlate to instances as the biggest instance on the Lemmyverse has roughly 3x the users of the second largest, a NSFW instance, 4x the users of the biggest "niché" instance and 5x the users of what I see as the second largest general purpose instance.
But why?
Don't want a single inch of corpo tendrils winding their way into my new space
If someone's punched you in the face and robbed you blind the last 15 times you invited them over, do you think the 16th time is gonna be different?
Meta is poison.
Because the point of federation is the choice, no?
https://ploum.net/2023-06-23-how-to-kill-decentralised-networks.html
'spite' mostly
You haven't been paying attention
you have bats in your belfry
Ooh you got any more insults?
Nope