Its a trusting trust issue. Generally when you ride an airplane or an elevator you are trusting that the engineers who designed it know what they were doing. Th

Its a trusting trust issue. Generally when you ride an airplane or an elevator you are trusting that the engineers who designed it know what they were doing. They have strong incentives to design safe systems, and more importantly and excellent track record. In the case of a voting machine, who are you trusting? The state governments and some random government contractor. What are their incentives? What is their track record?