According to the FlyerTalk thread (which is over 400 pages!! apparently, this has been going on since sometime last year...), credit card companies are becoming

According to the FlyerTalk thread (which is over 400 pages!! apparently, this has been going on since sometime last year...), credit card companies are becoming wise to this trick and are starting to treat purchases of the coins as cash advances (thus subject to fees and no rewards). I'm sure the WSJ front page article will only speed this along...