Web Service Trolling for Copyright Infringement on Behalf of Artists

Website, Pixsy, is now offering a service to artists in which they will secure payment for photographers from alleged infringers by esentially reverse image searching a work. The cost, in addition to any cost of joining, is 50% of the total payment collected. One artist wrote a hype piece on the service exclaiming that they “made” $2500 from a single copyright infringement, and $700 for another. It is unclear if the service sends the standard practice cease and desist letter to websites before demanding payout to drop the threat of litigation.

Do services such as Pixsy offer the opportunity for less fortunate artists to pursue small infringement issues without an attorney, or do they border on solicitation?