Firefox cannot ship with H.264 licenses, regardless of whether they can afford the cost or not. The GPL is incompatible with that idea. As a side note, I'm not

Firefox cannot ship with H.264 licenses, regardless of whether they can afford the cost or not. The GPL is incompatible with that idea. As a side note, I'm not sure why you want H.264 to become the de-facto standard, given that it would require you to pay licensing fees just to host your own videos.