Many modern Linux distros encourage restarting too. Atomic distros make restarting to boot into a new image the default, though some have flags to do a "live" u

Many modern Linux distros encourage restarting too. Atomic distros make restarting to boot into a new image the default, though some have flags to do a "live" update too. You still have to reboot for things like kernel updates. As far as I'm aware, live patching the kernel is just for security issues.