You talk as if you knew the terms of their deal and corroborated that Google asked to target every browser, in my experience these kind of deals are offered as

You talk as if you knew the terms of their deal and corroborated that Google asked to target every browser, in my experience these kind of deals are offered as "all-or-nothing", so having Firefox or Opera targeted were a side effect. EDIT: I checked it right now, and it also targets IE, unlike what you suggest: http://i.imgur.com/XuwHs7G.png http://i.imgur.com/XuwHs7G.png