You still can't login to the system. Root login is disabled as well as password authentication. The root password is just in case you lose your sudo password bu

You still can't login to the system. Root login is disabled as well as password authentication. The root password is just in case you lose your sudo password but it doesn't provide you a way to login if you don't have your key, passphrase to your key, access to the static IP/VPN and device with 2FA.