It was so painfully obvious that the Andrettis, the Haas team and the other drivers were acting from a script -- and not doing a very good job of it, coming across as stiff and unnatural. Witness the scene before the "big race," how every driver is complaining of the problems he's having with his car: why are they waiting until NOW to talk about this?! Was Michael the only driver who had the foresight to do test runs? The only time Mario and Michael were themselves were when they were driving, the only times they couldn't afford to think about the fact that they were on camera.
Aside from some tidbits on how a F1 car is built, I gleamed no insights whatsoever into how these men think and why they, literally, risk their lives for a living; "because I love it" doesn't cut it. And the car the mechanic gave Mario: are we really expected to believe he wrestled that beauty from the heap of scrap he found in a barn?! Gimme a break!