I have been warned as well, and mea culpa, it is because I was just clicking through and not paying close enough attention to all the "banned" words in the commentary. 

It could also be possible that another poster is deciding to just automatically hit NO instead of YES to click through, to avoid not catching a "banned" word or uncivil sentiment. If your post gets caught in this, I wonder then if you automatically get banned just because someone (or 2 people?) said it was uncivil even if it was not?

You can ask this question in the G+M's editorial which I believe is still up, but I asked and they never bothered to respond.  Which is a pretty poor way to treat paying subscribers, not to even bother to respond to a simple query. But hey, onwards with those board tables of executive input when they decry, "Oh what can we do to attract and retain subscribers!?".