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.
There’s always room for improvement but i believe there’s not much drastically wrong with mastodon, the obstacle is people themself conforming to whatever is popular you could pay them to join mastodon and they would still not do it, see how they would rather pay for windows than switch to linux.