to be honest there's nothing more satisfying than being asked "why can't we do X" when the answer is The Laws of Physics
Knew a fellow high up in an old tech company.
He described a conversation where some clueless executives were dissatisfied with the time required to get data to the other parts of the planet.
The tech execs wanted to know why the engineers were not working harder to lower latency to *zero*...
"Well...errrr...
Because of the speed of light.
Because the universe won't let us."