One of the more ridiculous stories I remember from Uni was sysadmins getting very upset that students were fork bombing the server. But... it was from the students in the systems programming class that were just learning about fork/exec, and bugs happen... I thought it was the most ridiculous thing ever.

Also, this was the late 90s and while you could get linux running, all the servers were Unix, and the profs made it very clear any issues between differences between Linux and Solaris were ours to deal with... so we were essentially forced to login to their servers. We are truly our own worst enemy sometimes.