It’s if the genie magic expands outward from the source at the speed of light, or if it’s instantaneous everywhere, which would allow information to be transmitted faster than the speed of light, allowing for violations of causality, and destroying our fundamental understanding of the universe before we all died.
The real question isn’t if the universe ends…
It’s if the genie magic expands outward from the source at the speed of light, or if it’s instantaneous everywhere, which would allow information to be transmitted faster than the speed of light, allowing for violations of causality, and destroying our fundamental understanding of the universe before we all died.
real question, is there a difference?
In theory yes, but for any observer, it won’t matter and it’s all the same to them, as they cannot observe any difference in either case.