Best to behold it from a distance, though.
Any ideas about flight altitude above ground? Could the targets hear the plane?
As Katana noted, Rules of Engagement. That is a fairly rigorous list of conditions that must be met before you pull a trigger, most of which is intended to ensure that you only shoot at and kill legitimate targets, and not some poor sonofagun walking his goat down a path in the mountains.
Some of what you are seeing is a problem in format conversion, but then, gun camera tech/generations don't move as fast as online video cameras due to the Defense Acquisition system. Gun cameras, like all else, are bought under a "minimum bid" process that does not tech refresh within the Moore's Law cycle.
No, that film is not generally intended for public release. Note my remarks above: the folks who released that film and associated audio broke some rules. Got into trouble. As to what the gunners see, and how they know who is what and who to shoot at, that's an operational detail that you can ask SOCOM about, but I don't feel comfortable discussing.
It is no game. There is real shredded flesh and splintered bone at the far end of the muzzle.
Good questions. Not my place to say on the first, and one suspects "no" on the second, given the apparent surprise of the attack in the video.
No, we cannot. The creation of more terrorists by the killing of actual terrorists is a risk to be considered, but it is not a certainty, and even if deemed to be nearly certain might still be justified by the benefits gained.
