At the end of the day, this article is geared to startups, business entrepreneurs, webmasters and marketing professionals who need to understand the process, and I guestimate that the process listed in the article above accounts for 99%+ of all expired domain names. All of your points are valid and appreciated, but if someone is interested in buying a good, brandable domain name for their business, they should follow the instructions above to have the best chance of grabbing it.
Of course, this does not happen equally across the board. Some site owners are lazy and barely put in any effort. As you can probably tell, the four situations I outlined above probably will not occur for website owners who are lazy. Now, for website owners who put in the work and the time for their online properties, you can bet that they would get to benefit from the four situations outlined above.
The way this list is implemented means I can't update prices, nor removed sold domains automatically and sedo doesn't provide me with the tools I need to implement it properly. Unfortunately some users keep contacting me to update their domain prices or remove their domains and I can't keep doing that manually. So I've decided to disable the list for now.