"Money-wasters" like FirefoxOS were a gamble to get onto the mobile phone bandwagon, to reduce Google's Android/Chrome moat. If they had worked, it'd have been a huge gain both for Firefox and for users.

> And then there's stuff like acquiring Pocket, something completely antithetical to Firefox's core values.

Pocket itself isn't antithetical to Firefox's values. It not being open source is, but from what I understand they're still working on making the server open source, though at disappointingly low priority.