EXCELLENT WORK DPR - It's Appreciated.

20 years? I don't think so. In 1993, as far as the public was concerned, the World Wide Web was barely born. The first version of the Mosaic browser was only launched in that year. 
VGA display  (640×480) was first introduced with IBM's PS/2 line of computers in 1987,
XGA (1024×768) in 1990 (not "obsolete" in 1993), SXGA (1280x1024) etc. after that.

Displays on many net-books, tablets, and phones often have a considerably lower number of pixels than on a desktop PC - and many people access the internet on PCs in their office where they may not have a very high pixel display. This site is also viewed by users all over the world many of whom will not have the latest PCs and phones.

I'm sure DPR collects statistics on the screen resolutions used by visitors to the site and makes their decision on what is the resolution used on the site based on those figures.