Firefox OS was a hedge against the situation where the dominant mobile platform didn't allow competing web engines, the other one was run by a competitor, and m

Firefox OS was a hedge against the situation where the dominant mobile platform didn't allow competing web engines, the other one was run by a competitor, and mobile was far outpacing desktop in amount of users. The hedge failed, so Mozilla is in a tricky situation that it can be kicked out of the mobile ecosystem entirely by its competitors.