In certain environments with um, less sophisticated administrators, this MOTD is taken as an imperative command to deploy an update to the operating system of a

In certain environments with um, less sophisticated administrators, this MOTD is taken as an imperative command to deploy an update to the operating system of a production service. Just one example of a broken box: https://askubuntu.com/questions/876510/booting-into-read-only-file-system https://askubuntu.com/questions/876510/booting-into-read-onl... The result of these in-place upgrades usually end up with the admin crying the rest of the night because they shot themselves in the foot.