When numerous instances of Duff's device were removed from the XFree86 Server in version 4.0, there was an improvement in performance
Personally, I blame the compiler for failing to optimize properly.
I like to think that if code is 'elegant', it can be read well after at most after brief explanation of how the algorithm is supposed to work, because code alone is sometimes difficult to interpret.
So, in general, through all the high school programs that UNSW has available, I'd say it attracts the best students. It just so happens that I know a decent proportion of the students that participated in this competition and I know that they had a keen interest in computer science; so these are the better, more experienced, more enthusiastic students we're talking about here.
Also, UNSW's main security course, COMP9447, is cited as being a good course by people I know who've done it and is very popular amongst the students: They extended the enrollment in the course for this semester at least once (not sure by how much) and there are still many students who missed out.
Hmm, let's see...
Firefox, Iceweasel, Web (gnome), Chromium, Dillo, surf, w3m, lynx, links.
It's not really that many