So the objections so far are
The other video: Does not show the same thing
The curve in path: Caused by the helicopter moving while the camera is tracking the red arrows? I think @Mick West needs to check this thread, the planes are flying straight at this point from what we can tell so the curve in parallax probably comes from motion of the filming helicopter?
Might be one for SitRec
There are a couple of 3D reconstructions now that demonstrate the curved path: