They used to care about freedom, now they care about a bunch of vaguely defined stuff aligned with (some of) US left. Being from outside the US, to me this change and the speed of it seems extremely jarring. I mean just look at their messaging in new tabs -- do I really need my browser telling me that "It's okay to like Facebook" or that "Tech (people? companies? projects?) has a responsibity to [...]" ? Thanks, Mozilla, I guess I wouldn't have used it if not for your permission (/s). Does anyone even read these fucking things before they push them out?

There's a difference between politics to improve Internet-related things (like fighting DRM, SOPA, or promoting net neutrality) and other political issues that while important are completely irrelevant to a browser development company.

I'd like to add that Mozilla has relatively limited resources and it's more worthwhile for them to focus on issues that are directly related to what they do (the web) instead of unrelated social issues.

Furthermore Mozilla has the expertise, connections and brand when it comes to the web they can use as leverage to solve web-related social/political issues, but might not have much leverage for unrelated issues so the risk/reward ratio will not be in their favor.

Exactly. Everything in the world is political: Firefox was a political statement from its outset, Mozilla is a political entity, and also - and I've yet to see an argument from anyone against this notion - Mozilla is overwhelmingly a force for good in the world. Lots of people on HN really struggle to accept this, because it goes against their own (libertarian right or anarcho-capitalist) political perspective.

People complaining about "politics" are often complaining about political scope creep.

If I keep that in mind while listening/reading people complaining about "politics" it is often the smallest change to their stated message that would make it clear and internally consistent. So I ask clarifying questions to see if their complaint is poorly articulated rather than picking at their words to defend the thing they're criticizing.