I know this is going to ruffle some feathers...
BUT, with the windscreen in place, and some folks desiring window wings to control the air flow...I guess you have your windows rolled up also!!!
In my 65 years (50+ driving) and having owned 11 convertibles, I was under the impression that the purpose of a convertible was to enjoy the wind blowing from all directions and your hair (no matter how much you have) whipping in the breeze and just enjoying an overall feeling of freedom from the confines of an enclosed vehicle!!!

Apparently I was wrong...
it must be to be in a big bubble so you can see the sun easily...