Photography theft is certainly a growing issue and concern as can be seen by the recent influx of articles on the subject. The web just makes it easy and, in my opinion, the younger generation grew-up on the belief that coping things on the “net” was no biggie deal, i.e. a small crime if a crime at all.
Below are list of a few that I have read or heard (Podcast). Be sure to checkout the PetaPixel article since it has a link to a new website dedicated to the issue.