It is fairly easy to make a mistake in the logic of an automation if the mode it runs is assumed wrong. Because the information about the mode is buried under a menu, users may inadvertently assume they are using the default mode when this may not be the case. Adding a visible nugget in the automation edit page showing the current mode can go a long way helping people to keep the automation logic consistent with the selected mode. BTW, this mistake happened to me many times now.