You know you worry too much about it. Think about this. He has all your lives in his hands anyway. If he decides to shoot you it won't be hard to figure out who did it and if he just wanted to take himself out he could take all of you with him anyway. I believe the system stresses everybody out especially the pilots. Leave them alone! They could kill you without a gun shutting off the oxygen at alttitude or let gravity take over. Nobody here's about a Greyhound bus driver with a gun!
Those winglets are just a gimmick to sell airplanes and appease the tree huggers. They don't tell you the majority of flights are shorter and lower altitude. The winglets cause more drag than improve aerodynamics costing more fuel, less mileage in the long run. I guess they do look pretty though. How many hundreds of thousands of millions of dollars does it cost to be fashionable?
Court martialed in 1925, I believe, just to promote his theroies on airpower. Prior to that had a friend or relative in the Navy flying air ships that perished following orders to fly regardless of weather conditions siting the limitations of his air ship in bad weather. After the Navy Captain's death in the storm trying to deliver the airship for an exibition, motivated Brigadier General Mitchell to commit insubordination toward the then War Dept.