That's the correct layout, and you're right. In fact, if you look at pictures of the exact ride ( http://www.rcdb.com/ig421.htm?picture=4 is one), I only see a couple places where the ride gets close enough to the ground to actually strike someone. It's almost as if this person was asking for it.Looking at the ride layout (I'm assuming this is the correct one?) there's only so many places the ride comes close enough to the ground to hit someone. You think you'd figure it out, standing between a couple of giant pylons with the track vibrating over your head... except, you really might not see the train coming. At SFGAm, B:TR has shrubs planted in the ride area. You should still hear the darn thing, though. Or else just, you know, not stand between the pylons.
On top of that, as others have said this ride roars as it goes around. Common sense (to me) would say either to stand where a pylon is or to lie flat on my belly if I think a train is going to come close to me. The fact this person didn't is just complete stupidity.