Originally Posted by Jafro

This is not truth.

No user other than the root user (also meaning no applications)... have privileges which permit writing data to directories without authentication. Unless you enable the root user (which is disabled by default) it's even impossible. That's why viruses don't exist for Macs. By design, the shell-based authentication functionality of BSD Unix prevents applications from writing data to the system. So they're completely ineffective. It has nothing to do with the size of a user base.

The Mac user base is actually twice to three times the size of what's reported in these articles. On college campuses nation-wide, it's HALF the users nowadays. Someone is still getting their statistics from 1997.