This is a long article, but worth the time to read it:
The tragic view comes closest to describing how I now look at Peter Singer. He is a man of unusual gifts, reaching for the heights. He writes that he is trying to create a system of ethics derived from fact and reason, that largely throws off the perspectives of religion, place, family, tribe, community and maybe even species — to "take the point of view of the universe." His is a grand, heroic undertaking.
But like the protagonist in a classical drama, Singer has his flaw. It is his unexamined assumption that disabled people are inherently "worse off," that we "suffer," that we have lesser "prospects of a happy life." Because of this all-too-common prejudice, and his rare courage in taking it to its logical conclusion, catastrophe looms. Here in the midpoint of the play, I can't look at him without fellow-feeling.