Absolutely none in practice, which is why I run Linux on my machine while hoping dearly for systemd, networkmanager and some distro agnostic package manager to

Absolutely none in practice, which is why I run Linux on my machine while hoping dearly for systemd, networkmanager and some distro agnostic package manager to succeed and make "distros" more OS less redundant. The year of the Linux desktop will be 2021! /s