I think the biggest criticism that domain industry bloggers hear / read is that the same information is posted on multiple websites. If .Club or Sedo issues a press release or contacts writers directly with something newsworthy, it is highly likely that several writers will publish an article. These similar articles (sometimes with the same headlines even) all show up consecutively on Domaining.com, and it gets people irritated for some reason. I am sure the same can be said about other, non-domain business publications that cover the same industry or field...