They could (and have), POV cameras in R/C planes have been a thing for a while now. It was just more expensive and so people didn't do it without consideration. It was more complicated to fly an R/C helicopter. (search for 'learn to fly an R/C helicopter' some time :-) ).

Now however you can put a camera on a quad-copter (or buy one with one) on an image stabilized mount, and take HD movies of areas you couldn't get too before. That has really irked / woken up some people. All without any training and only a bit of practice. That is what changed that people have asked the FAA to "fix."

> It was more complicated to fly an R/C helicopter.

God yes. This is so true. Learning to fly an R/C heli is such a huge time investment. Repairing your R/C heli when you jam parts of it into the ground wasn't cheap, either.