I see it differently. I've been using factory sunvisors for a year and a half, and one frequent and important use is when the sun is above the windshield with the roof open. My sunvisors remain stable folded upwards.
+1 and 7 years
Paul Costock, UK 2014 4/4 Rolls Royce Garnet Red Disco 5 Teddy - 17h1 Irish Draught cross