I like the factory's two smaller windshield as it looks more racy plus it kicks the wind over my head while driving so I can wear a baseball cap or even a fedora.
the large windshield would be better in a rainy climate and better for a ladies hair!
I'm with you, and my screens are even smaller than the "standard" ones. I don't do touring in mine and the weather here is mild. It comes down to what your needs are