It's more common for the employer to cheap out and not to buy UPS than for a sysadmin to propose a lack of UPS. In your example even simply updating router OS/

It's more common for the employer to cheap out and not to buy UPS than for a sysadmin to propose a lack of UPS. In your example even simply updating router OS/FW would case the router to reboot and your script will gladly shutdown the server.