[thenewnewguy]

I believe they just mean the setup doesn't default to a root user, you can still use sudo.

[ktpsns]

Something which comes handy for me in everyday life is

     sudo -s

which gives you a root (login) shell, so you don't have to type "sudo" in front of every single command.

[zerocrates]

Isn't it "sudo -i" for a login shell, vs. -s for non-login?

For my part, I almost always do "sudo su" for this purpose... it's just what I'm used to.