Many scholars are leaving Twitter for #Mastodon, a public, decentralized alternative, impervious to private take-over:
https://www.science.org/content/article/musk-reshapes-twitter-academics-ponder-taking-flight
Scholarly organizations are already supporting this migration:
https://www.nature.com/articles/d41586-023-00486-3
and
https://doi.org/10.5281/zenodo.7643817
There are analogous solutions for another public good in private hands: journals. There are even levers the scholarly community could pull to incentivize an analogous migration:
https://doi.org/10.5281/zenodo.5526634
What are we waiting for?