Nobody decides. Trolley problems don’t happen in reality. They’re thought experiments.
SELF-DRIVING CARS WILL KILL PEOPLE. WHO DECIDES WHO DIES?
A combination of Face Book, MS and Google?
If you/our driver less vehicle is headed for a dangerous head on collision with a top dog from Facebook, Google, MS, Intel, DOJ/FBI or the DNC in their driver less vehicle?
One guess as to whom comes out on the short end and whose vehicle does not get a scratch?