Except without the root password, they can't do jack. It's just some prank.
EDIT: It was SAL:
[17:51:32] <SAL> relax people it's only SALly old SAL
[17:51:50] <SAL> :D
[17:52:13] <SAL> i didn't know i would get any reactions
[17:52:26] <SAL> .....
[17:52:35] <SABERinBLUE> that was you?
[17:52:38] * SAL slaps SAL around a bit with a large trout
[17:52:40] <f0rk> it was him
[17:52:46] <SAL> yup
[17:52:55] <SABERinBLUE> prick
EDIT: It was SAL:
[17:51:32] <SAL> relax people it's only SALly old SAL
[17:51:50] <SAL> :D
[17:52:13] <SAL> i didn't know i would get any reactions
[17:52:26] <SAL> .....
[17:52:35] <SABERinBLUE> that was you?
[17:52:38] * SAL slaps SAL around a bit with a large trout
[17:52:40] <f0rk> it was him
[17:52:46] <SAL> yup
[17:52:55] <SABERinBLUE> prick