Is he right? I'm not so sure.
Last week, Veritasium released a video presenting a thought experiment involving a battery powered circuit connect to a lightbulb with wires extending in 1/2 a lightsecond in each direction. Suggesting that the lightbulb would turn on at a time dictated by the distance between the battery and the lamp, ignoring the length of the wires.

Video here: https://youtu.be/bHIhgxav9LY

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