the article is a well researched list of some notable electronic music and as such is a valuable resource to anyone looking for jumping off points to go research and learn more. That's a better way to learn about a intimidatingly deep field than Ishkur's list -- from the start it was a satire of the sort of people who require obsessive categorization and desire for others to summarize stuff that one could just go listen to for themselves and form opinions on.
For anyone who'd be interested, a fella named Paul Sheeky put together a top-notch 'History of Electronic Music' podcast series (commentary & selected tracks) in the late 2000s. He finished 19 hour-long episodes. They've bounced around a bit, many of them can be found at:
I prefer a similar project because the information is arranged in a structured, browsing friendly way:
http://enwp.org/Ishkur%27s_Guide_to_Electronic_Music