That is an interesting shocker. Because usually pwn2own, the Mac goes first (because beating it got you a nice MacBook Pro), followed by Windows (normally some nice Sony laptop), and then Linux (some generic Dell).
Linux has never been hacked in pwn2own.
I don't think Linux is one of the hacking categories at Pwn2Own. http://dvlabs.tippingpoint.com/Pwn2OwnContestRules.html
Debian dropped 386 support way back when 3.1 came out. Here are the reasons.
Your link is from 2003. Didn't 3.1 come out in 2011?
Research is to see what everybody else has seen, and think what nobody else has thought.