I dislike the underlying premise, the adverts, and (especially) the "real names" policy.
But... between great bits of Open Source like React, cool infrastructure projects like this, and a technical culture which seems a whole lot more open than many other big companies, it's getting kind-of hard to go on hating. Walk back a bit from the obsession with open plan offices, and I might just cave...
Wholeheartedly agree with you comment, Facebook's engineering blog is truly humbling.
There is not a day where I do not try to think of something that would both make the Internet more decentralized, anonymous and secure while being extremely profitable. The latter is crucial because capitalism would make the change viral and being profitable would let me attract talent.
In short, make something that people want AND that promotes values I believe in.
Surprisingly, their massive open office is the quietest office I have been in. It is a really nice workplace.
Don't worry, most of their code base is still written in PHP.