How about just holding the power button on the Mac down for several seconds if shutting down from menu options is not working? The user doesn’t seem to mind los

How about just holding the power button on the Mac down for several seconds if shutting down from menu options is not working? The user doesn’t seem to mind losing data on the phone by interrupting a sync operation in some unknown state or doesn’t seem to mind losing any data on the Mac by a forced shutdown either.