What made it click for me was that the speed of light isn't just the speed of light, but actually the speed of information/causality. So if you're traveling at

What made it click for me was that the speed of light isn't just the speed of light, but actually the speed of information/causality. So if you're traveling at the speed of causality, everything you "hit" or go past happens instantly, because you're traveling "with" causality/information itself.