Too much panning. Here is a trick for better footage with motion. Shoot stationary wide angle from a tripod in 4K. Do all your zooming and panning in your editor and then render in HD. 4K is four times the resolution of HD, so you can crop down to 25% and still have an HD-quality video. Never pan, unless you have a high-quality camera capable of shooting at 1080p in hight bitrate at 120fps and are using a pro gimbal.