I think you are putting words in their mouth. They could easily have explicitly called to those leaders to step down.
> He stepped down because he wanted to step down, not for some selfless reason like succession planning.
The praise of Rochko isn't for stepping down. The praise is for the way he setup sucession and governance as he did so.
>> Simply, we are going to transfer ownership of key Mastodon ecosystem and platform components (including name and copyrights, among other assets) to a new non-profit organization, affirming the intent that Mastodon should not be owned or controlled by a single individual.