Earlier quoted context omitted.
Your reasoning contains no fact specific to women. Thus, it should be valid for me to substitute any other group which is underrepresented in computing: Given that few retards enter CS, and many who do leave, it would not be surprising to find that the remaining retards who have not been selected out somehow are in fact more skilled than the average non-retard engineer. It also still doesn't make a >60% women class r…
If you want to add a "PC" note, it should include an acknowledgement that the term "Retard" is highly offensive to many even tangentially associated with the mentally challenged community.
I think he was referring to people that drive under the speed limit.