Whenever I arrive on a real location, I have to move around and work out what the best angles are going to be. When I was moving around with the lens, I discovered things that the naked eye would not have.
If I'm going to fly for more than twenty feet it's generally a good idea to get a stunt guy.
Fans tend to get too excited by streaks of either kind and I think the press does too. There should be a happy medium.