I find it a little weird to see Gregory Kohs listed generically as "a prominent Wikipedia critic". In 2007 he tried to start a business where he'd get paid to put articles in Wikipedia:
At the time it was seen as an outrage (in my view correctly so) and promptly banned. Wikipedia has a clear conflict-of-interest policy [1] for good reason. Their most valuable asset is reader trust, and Wikipedia, for all its flaws, has done a reasonably good job of keeping it from being overrun by marketroids.
http://www.nbcnews.com/id/16793247/ns/technology_and_science...
At the time it was seen as an outrage (in my view correctly so) and promptly banned. Wikipedia has a clear conflict-of-interest policy [1] for good reason. Their most valuable asset is reader trust, and Wikipedia, for all its flaws, has done a reasonably good job of keeping it from being overrun by marketroids.
[1] https://en.wikipedia.org/wiki/Wikipedia:Conflict_of_interest