In theory, just getting current does nothing. It has to be rewritten. It uses hot electron tunneling.
However, I recently found an mp3-player I hadn’t used since longer than 2017 on the bottom of a drawer. It was stored without battery. I put an AAA battery in and it played the stored music just fine.
I was just thinking yesterday how the left parties in my country never bite back. They don’t get down to that level, but half of voters are of less than average intelligence. Many of those can’t be won with facts and reason. They need drama and propaganda. They need to be riled up. They need to be told who they hate and jokes and songs that insult the opponent. It’s not like there aren’t enough opponents: Fascists, billionaires, the corrupt, imperialists, etc.