The far left cannot tolerate dissent, so they left. But Community Notes is the biggest improvement in social media I have ever seen.
Community Notes, previously known as Birdwatch, was introduced in early 2021.
https://blog.x.com/en_us/topics/product/2021/introducing-bir...
The acquisition was in 2022.
https://en.wikipedia.org/wiki/Acquisition_of_Twitter_by_Elon...
In other words, your one example of Musk improving Twitter wasn’t even his initiative.
That is, at best, a highly subjective point of view. Considering the mass exodus of people and governments and company accounts, it’s hard to make the point everyone thinks Twitter has improved.