Because his basic idea that he got from the study of gall wasps is that everyone's sexuality is unique.
It's an odd thing to go to New York to shoot a movie that is set in Indiana.
In Hollywood through the 50s, there were black, English, and Middle European housekeepers and maids.
First of all, just knowing people who grew up in the movie business at that time, no one had Mexican maids.
Kinsey was trying to study sex scientifically, get rid of the overlay of culture and religion.
Kinsey himself collected absolutely everything.
