Someone didn't bother reading my carefully prepared memo on commonly-used passwords. Now, then, as I so meticulously pointed out, the four most-used passwords are: love, sex, secret, and...
Once upon a time, I ran ypcat passwd and piped it into John the Ripper on the CompSci Linux cluster at one of the University of California campuses. Within 90s, I had amassed passwords of over 40 users including several lecturers and a tenured professor. The CS IT shop's mistake was running NIS+ rather than something like LDAP + Kerberos.
Edit: ... god
The username is Cyril Figgis.