Facebook people also contribute to Swift but Facebook has no fork in their repository instead the person who contributes have in their own repo.
I have read somewhere steve jobs was very unhappy with this event and that is the reason they make their technologies close.
Swift is hard work of lot of people and Swift community, I really love the openness it brings in Apple. These types of incidents make them to rethink their decision and let developers like us to not involve in their choices.
Chris Lattner has done wonderful job to make community like this and if google misuse and made their own language out of hard work of swift community I do not think it is good for any of us.
I read google have not forked so I take my comment back as I cannot delete it.
Thanks HN