The Trolley Problem?

"I want to live in a society where I'm the one person who gets hit by the trolley could say five, and that's kind of what I was saying with the self-driving car thing," he says. "If we just put a bomb on every plane and said, look, if this plane's hijacked, we're detonating the bomb... People might try to hijack planes less." He adds: "I think we're getting way too... You know, one of the people flying turns out to be Hitler?"