After Elon Musk's acquisition of Twitter, many scientists report the platform is no longer suitable for professional use. A recent survey indicates that researchers are increasingly turning to Bluesky, which they view as more useful, welcoming, and aligned with their goals.
Couldn’t there be an association of professional societies that run their own mastodon instance and can control membership and federation?
Sure, it would likely get very heavily defederated from or attacked, but it could happen.