With the FAA cracking down on commercial UAV use, it is probably only a matter of time before the FCC decides to act on the unlicensed FPV hobbyists. It really isn't that hard to get a technician license and most OSD's allow you to display your callsign to be fully compliant. Don't be the poor guy who they decide to make an example of!
http://www.arrl.org/getting-your-technician-license
http://www.arrl.org/getting-your-technician-license