Well, it took two minutes to get there to event X and back. It seems as if we've gotten rid of everything that has to do with universal notions of time and universal notions of space. Our spacetime model can no longer have these once-universally accepted lines and planes. What The Principle of Relativity has done is to make the Light Cone absolute. It is fair to say that what Einstein did is that he replaced the absoluteness of time and of space with the absoluteness of light.
Light is more fundamental than time and space.
Realize that it's more than just a matter of taste here. And these predictions have been experimentally tested and verified. As far as we can tell, in the domain of its applicability, Einstein's Theory of Relativity is correct. Here is one example of a supposed paradox of the Theory of Relativity.