It's widely considered that too much exposure kills deals, especially the sensitive ones. This is not breaking news.
Our "hobby" has seen unprecedented growth in the last 2 years, and lots of the easy pickin's have died off. This is across the board... the loopholes in booking, the ease of earning qualifying miles, the bonanza of miles earnings, the credit card sign up opportunities, the rewards that status would get you... it's a long list of pared down opportunities.
I saw that CNN news clip about the blogger sitting in First Class for "free" twice in one day recently. It doesn't paint a pretty picture.
I've heard repeatedly that bank and airline personnel are keeping up with the latest hacks by being here on FT, reading the blogs, and attending the FTU's, so, they are on to our tricks.