About a sexy vomit

TV guide says the vomit scene,from Californication ep 'Hell-A-Women', makes they cringe:
http://www.tvguide.com/PhotoGallery/The_7_Unsexiest_Sex_Scenes_1226/6.aspx
Why this scene is not sexy?I don't understand...Really!In my opinion is truly hot!
First:I never seen before Mr.Duchovny vomiting...Halleluiah!
Second:in that moment...who cares?you are with Hank Moody!
Third:it is funny!!A new frontier for a new climax...
Fourth:the modern art is not all good.