HN is of course not a monolith, but from my recollection most of the frustration and criticism w/r/t Mozilla is about its product strategy and executive team, not its corporate structure. Some other examples of nonprofits with for-profit subsidiaries include National Geographic, the AARP, and most research universities.

On Altman, the trial showed that Altman does not have any equity in the for-profit. He does have some indirect exposure through his investments in YC, since YC has a small position in OpenAI.