I was a bit suspicious about this answer to a question, there's some technically incorrect information in it that I thought an expert might have picked up on. Regardless, I pointed it out yet the answer still kept getting upvotes and the user decided to brush off my comment instead of fixing said information (it would only have taken 1 edit!).
Despite my suspicions I decided to brush it off as other users going with the status-quo and upvoting. Then I noticed two comments were left by the user and both comments were upvoted almost instantly. This raised my suspicions again, so I replied to the original comment.
Quite quickly I got another reply comment from the user, followed by another reply comment from another user agreeing with him and both comments were upvoted very quickly and close together.
The users are Sarfraz and phpBOY. If you look at the latter's profile, you'll see that Sarfraz has quite a lot of involvement in phpBOY's questions -- his name appears on 5 out of the 8 questions in the profile.
Of course, this could be one huge coincidence and it could be my general annoyance at the blatant ignorance this guy has shown on several occasions including this one.
Another interesting thing is this revision to phpBOY's question. The revision just removes an ellipsis from the end of the question. Chalk it up to a pointless edit or maybe it was to grow one edit closer to that (not-so) elusive Strunk & White badge?