A few months ago there was an election held where I live.
When I went to the table to collect my ballot papers, the person handing them out and checking names
ran through the WHOLE "how to vote" thing, including what box to put each ballot paper in.
She wouldn't hand over the papers until she had finished explaining it all to me.
A lot of places in the U.S. are giving fairly detailed instructions on the theory that the voter may never have used the system before.
Sometimes that's true. I never miss an election, but I have learned two new voting systems in the last two years, first when New York finally gave up the old lever voting machines, and then when I moved to Washington (elections here are entirely by mail, and I need to fill in spaces for candidates and then sign the ballot envelope, and the ink color matters).
So yes, getting "here is how to use this machine" for the 30th time was a bit tedious, but I also knew that at every election there were going to be people who had never voted at all, or had never voted with that system. Though some of the people at our voting place in New York were pretty good about either "yes, I know that" or "excuse me, sir, how does this work?" (the instructions are currently posted in six languages, but some people would rather be told than read a sign).