They say worker hit real button rather than test button. Some folks don’t believe this b/c test button is hit on 1st of month. It is not the 1st of month so why

They say worker hit real button rather than test button. Some folks don’t believe this b/c test button is hit on 1st of month. It is not the 1st of month so why was any button hit, especially one that is so major, how could be accident?