This article makes excellent points in a cogent fashion. I partly disagree with the author that simply pointing at the existence of an alternative is sufficient. One of the reasons I've been very lukewarm about Mastodon is that it really lack the networks effects that make Twitter special; federation is a nice idea but the pragmatic benefits are a lot less clear. Being able to follow, track, and have conversations wi…
I agree with you, just the existence of Mastodon/Discourse/others isn't sufficient. The onboarding and home/local/federated timelines of Mastodon can be a bit confusing at first, which does take some time to get used to. Just not being the other guys is the first of many necessary steps to being better.
And yes, scientists can't be entirely insulated from the wider public. Ideas that only stay in academia don't make the same impact that they need to in the wider world. Similarly, academics need to hear from the wider world to learn what problems are important and how their work can impact people. There need to be forums for interacting with large public audiences.