Thanks for that, I'll watch it later. I guess it riffs on the following.Tom Scott did a good piece about this that still holds up a decade later.
Any system has to not only be fair, it has to be seen to be fair, for the vast majority of the voting population.
When you start relying on electronic recordings, you are going to involve software and that is not transparent. And is subject to far more subtle subversion.
Choosing our rulers is too important to be at risk from such things.