The "Devuan" Debian fork and the fuss about systemd

Not necessarily, there could be a conflict resolution mechanism, for example pick the name that has an address with the most specific route entry, so if you have split tunneling with your office that response will probably be more specific than the one coming through the default route. That isn't always guaranteed so you will need another level to be a tie breaker but a few simple rules will get it right most of the time, and have an option for manual config if you need it.