Very cool video.
I'm not calling out a hoax, I don't care enough to do so nor am I graphic savvy, but
breaking down the still photos from the video to me as a lay person it looks like the wing feathers of the Eagle are CG vs real (the shading from the dark to the light....the trees in the background being seen through the feathers (like the index finger feather doesn't look to be attached to the bird, and the tree is between the bird and feather not attached) etc....
Either way....great video....and I didn't see any former scratches on the motor or downrigger housing to show signs of previous feeding and talon scratches.