Why is Ubuntu core password protected

That’s my question.

Hi @ultimategamer,

I think the reason is the same with other Ubuntu.
There a good description here.
https://help.ubuntu.com/community/RootSudo

Also it is possible to add password to the root account.

http://askubuntu.com/questions/347818/what-is-the-default-root-password-when-was-never-set-at-installation-time