April fool's joke: https://www.scientificamerican.com/article/confirmed-we-live-in-a-simulation/
The artifact is as an additional component of every operation that is unaffected by the magnitude of the variables being operated upon and is irrelevant within the simulated reality until a maximum variable size is observed.
I don't think that's a good description of the speed of light. Lorentz contraction kicks in well before the limit.