Not at all in this case though! Or rather, it depends on your perspective.

“Why doesn’t electricity leak out the outlet?” is a good question, if you know nothing about electricity.

“Why doesn’t electricity leak out the outlet?” is a little stupid, if you know a little about electricity.

“Why doesn’t electricity leak out the outlet?” is a great question if you know a bit more about electricity (because it does leak out, it’s just that 50/60Hz doesn’t couple to freespace well unless you have a colossal antenna).

As to this question, light in a moving media: preprints.opticaopen.org/articles/…/25441108?file…