Acutally, a sysadmin can do exactly what you say he cannot. 1. Wait for a server hdd to crash, and tell people that they suffered no interruptions because he h

Acutally, a sysadmin can do exactly what you say he cannot. 1. Wait for a server hdd to crash, and tell people that they suffered no interruptions because he had the foresight to do disk mirroring on the servers. 2. Wait for somebody to do 'rm -rf' on an important dir on their laptop, and help them recover from the hourly backup procedure he'd implemented on the day he joined the company (this has happened in a company i've worked). etc etc.