I hate staring into other's super-bright low beams. I'd like to read it. However, I can imagine problems in stiff winds or with people who forget there aren't gas struts holding the hood up. Back to A. above, it would weigh more. The Insight is a pure commuter car.
Most commuters drive without a passenger.
The mirror in the driver's visor makes perfect sense to me. It sure would be in the foggy white-out I drove through in Ohio last weekend. When you set your sights on 70 mpg, you have to make some concessions. They could have made a lot more than they did. I really enjoyed your letter, though.