Can you document any county in the US where the vote count happened under locked doors with out observers from both parties?
What's been exposed is that a lot of people think you could. They think the number comes out of the machine they stuck their ballot in, and that's it. They have no idea who the people at the polls are or why one of them does nothing but hand you a piece of paper that you hand to the next person. They don't know that there are observers at every counting place, always. This kind of ignorance is not destructive, until someone tries to exploit it.