He did not force anybody to answer
he
sometimes people came to him to share sex experience
Kinsey was an old pioneer of sex psychology, he used
questioning to collection information, he did a good job.
I think his source, question, report were telling the truth. His first publication at 1948 was successful, Playboy follower, successful too.
Usually, when the first book was successful, the second book
would follow what the reader liked to read from the first. I have
no doubt on the accuracy of the content. Well, did he choose the woman whom had dramatic sex experience on Napkin Theory, unconsciously ?
I wish not.