Even the greatest have intellectual blind spots.
I regard Richard Dawkins as having one of the most brilliant minds of our time but I think he was wrong to say what he did this week. He has given a kind of apology/clarification but I'm still unconvinced about his key point, which was...
"if your morality is based, as mine is, on a desire to increase the sum of happiness and reduce suffering, the decision to deliberately give birth to a Down baby, when you have the choice to abort it early in the pregnancy, might actually be immoral from the point of view of the child’s own welfare."
I've spent time around teenagers with Down syndrome and they certainly did not strike me as being especially unhappy, and often seemed quite a bit more happy than many others their age.
I worked with some teenage students with the syndrome during my teacher training in the 1990's and have very fond memories of two kids in particular. Jason was a big, quiet guy who loved soccer and his brother. His favoured response to most questions was "Nuh. Nothin'..."