Because clearly it's not enough to "finally be as fast as the one that beat you, five years later." Now Firefox needs to be faster/more secure/better than Chro

Because clearly it's not enough to "finally be as fast as the one that beat you, five years later." Now Firefox needs to be faster/more secure/better than Chrome, and it will also take it 5 years or more to recover the market it lost from that point forward.