7. Convertibles are more flexible than a Romanian gymnast
One of the most crucial aspects to cornering is a stiff chassis that doesn’t flex, thereby letting all the pricey suspension pieces do their thing. Convertibles lose key structural elements, so they add more weight to make up for it. You see how crooked this Cadillac's door is because the chassis moves? They don’t succeed in terms of rigidity, and the negative effect on performance is essentially doubled.
8. We don’t want to see you
I want to see the car, not the driver, and I want to see the gorgeous lines the designer originally intended. It might be funny, but I don’t really care to see how well or how poorly someone’s toupee glue holds up. Exception to this rule: attractive women.