There are a huge number of unrelated incidents, with drivers who have no history of reckless driving nor suicidal behaviour, and they all suddenly decide to drive at 160 km/h through cities? Sorry, Toyota, that's not plausible. The judge has made the right call.
http://www.businessweek.com/articles/2013-12-16/toyota-enters-settlement-talks-over-sudden-acceleration-lawsuits