“The lawsuit filed December 30 said that according to a study by NASA, between 2000 and 2010, the rate of sudden unintended acceleration (SUA) incidents was one in 100,000.”

And not just Son was hurt, but Son’s son Son.

Maybe based on the usage/action profile of the user the modest AI responsible for the emergency braking system decided that going through a wall was the best action for the greater good of all humanity.