how Internet back in the copper wire days could still transmit data in seconds when Electrons flow through copper at a few metres per second.
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Electrical signals can actually transmit though copper wire faster than signals through optical fiber.
In both cases the speed of the signals is measure as a percentage of the speed of light. (optical cables are about 2/3 the speed of light while copper wire can be anything from half of it to 90% of it depending on the cable)
So it is not a big difference.
It does not actually take an electron to travel all the way for the signal to travel.
To see how this would obviously be the case imagine sound.
If you say something that signal is transmitted tot he ear of the person hearing it at the speed of sound. however the air between you and the person listening is not actually moving at such high speeds. You don’t create ultra hurricane level winds when talking.
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