The comment, "why didn't (the driver) put the car in neutral?", doesn't wash.
From what I've read, and I could be mistaken, if the shift lever is electronic, you're screwed. No mechanical linkage = doesn't matter if you put it in neutral, you're in for a ride.
Now, here is a true story: This Monday past (March 8, 2010), a fellow was driving to his civilian job at the State Highway Patrol office, just 8 miles from me. As he was pulling into the parking lot, his accelerator pedal stuck, taking him through to the back of the lot and over the curb, where he careened over 600 ft into a ravine below. He crawled out of his van, with his newly-broken leg, up the embankment to his rescue. Fortunately for him, the accident was heard by the state police, who helped him out of the ravine. This guy is ex-firefighter (and a good one, I'm told); there was no way he could manage to react quickly enough.
He was not driving a Toyota. He was driving a 1998 Plymouth Voyager.
This SUA, or UA (Sudden Unintended Acceleration, or Unintended Acceleration) problem is in the ECM, I'm tellin' ya. Has to be. Just has to be.
Toyota are disgracing themselves with their repeated denials that their UA problem is in their electronics. It's everyone's electronics. It's the electronics, period. Give the transistors to the astronauts, and leave us afraid-to-fly people alone with our cable linkages and carburetors, thank you very much.