And frankly a lot of analytic techies are blind to this kind of thing, so they assume it must not exist. But it clearly does.
And then presumably the other board members read the writing on the wall (especially seeing how 3 other board members mysteriously resigned, including Hoffman https://www.semafor.com/article/11/19/2023/reid-hoffman-was-...), and realized that if Altman can kick out Toner under such flimsy pretexts, they'd be out too.
So they allied with Helen to countercoup Greg/Sam.
I think the anti-board perspective is that this is all shallow bickering over a 90B company. The pro-board perspective is that the whole point of the board was to serve as a check on the CEO, so if the CEO could easily appoint only loyalists, then the board is a useless rubber stamp that lends unfair legitimacy to OpenAI's regulatory capture efforts.