Adam Bry (Skydio) must be wetting himself with excitement. If you think banning DJI will foster innovation in US manufacturing of drones. You'll have to find some new manufacturers. Because the ones there are now are certainly not cutting it...
Totally dependent on light conditions and height above ground. For example, here in Washington, in the winter, I have to use a shutter speed of around 1/400 to avoid the ISO having to go above 200 - 400. So, to avoid motion blur, I have to fly...