That doesn't make sense: a camera doesn't get more pixels just because the camera is taking a video tracking something. Neither if it had zoom and a controlled gimbal.
If you turn that tracked video into a panorama it would. Or if you took 10 zoomed photos and stitched them over top of an unzoomed photo. The point is that unless the task demands more focus areas than the eye can focus on in a given window then the visual acuity (for the parts of the scene that matter) is higher than an 8MP shot of the entire scene.