According to a 2021 study, only 5.94% of porn-consuming respondents said that they watched porn because of a "lack of sexual satisfaction." In other words, the vast majority of porn consumers are watching porn for reasons other than their partner not being "enough."
(Bőthe, Tóth-Király, Bella, Potenza, Demetrovics, & Orosz, 2021)
- Bőthe, B., Tóth-Király, I., Bella, N., Potenza, M. N., Demetrovics, Z., & Orosz, G. (2021). Why do people watch pornography? The motivational basis of pornography use. Psychology of addictive behaviors: Journal of the Society of Psychologists in Addictive Behaviors, 35(2), 172–186. https://doi.org/10.1037/adb0000603