Alternatively, you could ask your relative to respectfully turn off their wifi router while you're visiting. Then when they ask why you want them to unplug the

Alternatively, you could ask your relative to respectfully turn off their wifi router while you're visiting. Then when they ask why you want them to unplug their router, you can have a friendly chat about the risks of using cloud IoT devices. Although that might not disable a camera-enabled alarm system which sometimes have a cellular backupy.