Originally Posted by UmneyDurak
Where did I say I only think it helps recumbent. All I said is all I could find are examples of recumbent bikes, ie. I did a google search and links I clicked had recumbent examples. Also when I said wind shield wouldn't make bike aerodynamic I was specific, and was talking about that particular one. Now the links you posted those shields might improve aerodynamics of a bike.
Ok, let me ask you this way then. Why do you think that particular winshield has less aerodynamic than human body, while others have better aerodynamics than human body(I'm assuming you are not arguing this point.)?