Never underestimate the capacity of humans to be wrong. Science is made from people being willing to admit they're wrong: the evidence for speed limits is compelling, but not absolute.
It would just mean our current model is screwed if we're wrong...
Assuming that the speed of light can be broken leads to hopelessly contradictory and paradoxical (truly paradoxical, not just counterintuitive) conclusions. It's not just some guess that scientists have made about how fast information can travel.
It would just mean our current model is screwed if we're wrong...