"the company looked at the history of social media over the past decade and didn’t like what it saw… existing companies that are only model motivated by profit and just insane user growth, and are willing to tolerate and amplify really toxic content because it looks like engagement… "
Wikipedia Foundation is also bloated and unfocused outside of their mainstay product. But like Mozilla, they generally do good with the bloat and unfocused resources. Inefficiencies are easy to identify but hard to mitigate.
Yes, bloat and mission creep is going to be an issue with any big non-profit. But maybe that's also their advantage: any organization that becomes focused on sustaining itself is going to provide decent long-term stability. I guess it's a bit like a state.