Actually, if you read to the bottom of the discussion [0] you'll see that it was fixed, and FF respects the Do Not Track setting.

In addition, they negotiated with google special terms for their analytics. This is the description [1] and this is the resulting options they got [2].

[0] https://github.com/mozilla/addons-frontend/issues/2785#issue...

[1] https://bugzilla.mozilla.org/show_bug.cgi?id=697436#c14

[2] https://bug697436.bmoattachments.org/attachment.cgi?id=73207...