I actually spend a decent amount of time putting those comments on hold and sending emails out to those who ignore that condition, allowing them to correct the issue and have their comments published. I did that just today, actually. I've now had forwarded to me by numerous coworkers the following:
Hey -- What keeps happening to the comments on this article? I and several other people have been trying to make comments -- politely, not flame posts or anything -- but every time we look back at the article they are gone. Please help get this fixed or it will look like you censoring what people are posting.
As should be obvious to anyone who has spent 30 seconds on this site, we eagerly and happily publish all sorts of comments here from those who agree and disagree with the diverse opinions expressed by our writers (all of whom identify themselves by their full names, I should point out). Crying censorship about comments on the internet when you have not followed the simple and clearly-stated guidelines is disappointing, particularly if you work in media yourself.