Using "Wired" magazine's web site search engine...
search?query=mailpile - 9 results
search?query=trisquel - 0 results
Trisquel is a whole (Freedom and Privacy-oriented) OS that has been around
for 8 years, now. And, "Mailpile" is a single program that hasn't even been
launched yet.
(You figure out why does the corporate media like Mailpile so much, but
doesn't like Trisquel...)
Also, for comparison (and to add to something that I said elsewhere:
http://trisquel.info/en/forum/ubuntu-1310-second-step-spy-its-users#comment-41918)...
search?query=ubuntu - 1,750 results