Maybe OP is referring that some billionaire appears with some bad statistics that if we let him kill 1000 people he assures us that he will probably invent some

Maybe OP is referring that some billionaire appears with some bad statistics that if we let him kill 1000 people he assures us that he will probably invent something to save double. Putting those billions in removing the drunk or tired drivers from the roads, enforcing the laws and rules would save more people.