These complications are particularly relevant if you're managing a fleet of devices on networks you don't control, such as on-prem versions of SaaS systems, or

These complications are particularly relevant if you're managing a fleet of devices on networks you don't control, such as on-prem versions of SaaS systems, or consumer IoT devices. In that situation you definitely don't want the device to be sitting around with a back door into your network, and subnet conflicts are often impossible to resolve.