+1 on the angle angle.
Its perplexing why the NFL chooses to largely disdain common sense angles, like a camera STRAIGHT down the LOS, first down marker, or goal line, since replays are such a critical part of the game now.
But you even see it on reviews, they accept a horrible camera angle as conclusive proof.
Regardless, players should be coached to never risk it. You almost think it shouldn't have to be coached, but Banks last year, and many other times over the years, it does need to be coached.