This link is in the Hunter article but think it deserves to be read independently. Was surprised there were "only" 99 called after review as it seems like I saw about 20 just channel surfing games of interest.
To me FB rules are like laws in that everyone should (ideally) know what is illegal even though the reality of a specific situation can be pretty grey (think insider trading which is the most muddled I've read about). In that context the NCAA has done a terrible job of implementing what is a pretty simple and easy to understand concept
http://www.ndinsider.com/football/examining-college-football-s-controversial-targeting-rule-and-how-it/article_779a1120-df36-11e6-8f89-af4576288a7e.html