Why is sex still so bad for countless women?

Sex, as experienced by women, has been reported time and time again as poor in quality.
"Women get worse sex" is the title of a new paper published in the journal Perspectives on Psychological Science (2022). Psychologists Terri Conley and Verena Klein of the University of Michigan sought to understand the variations between the sexual experiences of men and women. Their findings consistently contend that the physical experience of male and female sexual intercourse and desire differs, with the authors arguing that "the sex that women get is not just different, but of lesser quality."
Aside from the inherent physical differences in sexual experience, stigma and negative associations with sex are some of the additional reasons why there continues to be a gender gap in sexual desire and experience.