The cynic in me (just joking) thinks that all the DM threads are started by people who work in their circulation department.
Why else would some people. regularly trawl the pages of DM. and then post on MN links to the offending article, inviting people to read the article. and then come back to share their disgust.
If the DM offends you so much then stop reading the bloody thing and stop posting links to it. Yes, it is that simple