Most people in the biotech industry know the truth.
Most of the big names in the field of genetics feel the same as Watson. His remarks aren't that controversial to those in the field. Craig Venter, Gregory Stock, and others are experts in the field of genetics and inherited traits. Science has shown that their are noticable differences among different population groups of every species. Why do you think that out of the tens of millions of species, Humanity is the exception?
You say that conservatives ignore science when it comes to global warming then do the same on this issue. I guess politics colors everyone's view.