Not a hypothetical: Hostess folded, as did Yellow trucking. Unions can’t save a business from bad business decisions or destructive market forces.
But businesses fold all the time, union or no union. When business is good, unions make sure the employees get a fair piece of that.
It’s important for vote counts to to be independently checked. Having who voted publicly available means an investigative journalist can prove the county clerk’s claim that dead people voted and so they can’t certify the election is false. Or catch attempts at fraud. Both as a double-check on government in the case of officials who are lying or have acquired false beliefs, or as outside help if the issue isn’t caught internally due to under-resoucing.