They sure are Americans, but try telling that to a good portion of the US population and you'll get some push back, unfortunately... Racism is alive and well in America, just like anti-Russian sentiments are alive and well in the Baltics. The Russian minority in the Baltics suffers from many of the same problems modern African Americans do: discrimination, systemic poverty, lack of opportunity, etc.
What makes you think it doesn't run on Linux? From the article it sounds like it only runs on Linux since they say "contributors outside of Yahoo! can choose to build the code on more modern, non-Linux OSes as they see fit."
No it doesn't. The techcrunch shills submit and upmod (multiple times) every techcrunch article. Techcrunch's writing style is terrible, and the articles are usually hearsay and completely unresearched.