The Higgs Boson Gives Zero Mass to the Photon

If light has mass, then it wouldn't be moving at the maximum speed of the universe. In fact, we don't even really know why our universe doesn't give any mass to light. It could have given some mass to the photon, but it didn't. If it had, then our universe would be a little bit different. But we don't know why the Higgs boson gives the photon zero mass.