Two things to remember when reading the piece: One, that the number of reports increases when a problem is reported and many of those reports are later found to be unrelated to the problem. And two, that in the vast majority of cases fully investigated where a cause can be found, unintended acceleration incidents end up being a case of drivers standing on the gas pedal when they believe (and have reported, if they survived) they were standing on the brake.
Full story from the Times here.