Synaesthesia is a neurological condition often associated with naivety (with regard to scientists)
A lot of people who have the neurological condition synaesthesia do not regard this condion as being a disorder. Some synaesthetes take issue with people who discuss synaesthesia as though it is some type of medical disease, even though acquired, non-inherited, forms of synaesthesia can indeed be caused by drugs, disease or damage. Some synaesthetes write that the condition makes their lives more interesting or enjoyable, and they claim that they would not wish to be "cured" of the condition if it were possible to make it go away. Many synaesthetes appear to naively assume that scientific researchers, and the world in general, will take seriously their claims that they are not sufferers who have something wrong with their brains. Some synaesthetes display a cynical attitude regarding the way the mass media depict synaesthesia, but expressions of explicit cynicism towards the attitudes of scientists and researchers are not so easy to find.
It is most probable that the majority of people who have any form of synaesthesia do not realize that they have the condition, and do not consider themselves disordered or preceptually impaired. Researchers used to believe that synaesthesia is a very rare condition, but now that properly designed studies are being done, researchers are finding that it's really quite common.
I've stumbled across this page about synaesthesia at the web site of the Wellcome Trust Centre for Human Genetics, which is one of those research institutions that are trying to find the "genes for" horrible diseases: http://www.well.ox.ac.uk/monaco/synaesthesia.shtml
Regardless of whatever you or I or anyone believes, the boffins at Wellcome have described synaesthesia as a "disorder" which "often results in perceptual and cognitive dysfunction." The idea that something positive might come of synaesthesia is given the " " treatment twice on this page. They obviously don't take the positive side of synaesthesia too seriously. Synaesthesia is placed in the same category as "Neurodevelopmental and Neurological Disorders". I shudder to think why they are so keen to find which genes cause synaesthesia.