Seems you've rattled the cages of the desktop support people. I too have done both desktop support and systems administration and can say that if a server went down or there was a problem with the network the whole department would help, if it was a problem with a desktop machine, laptop etc your on your own. Also by and large system admins don't really have to face the angry staff, you got the option to lock yourself in the server room, whereas a desktop support tech is straight in the crosshairs whatever the problem/