From review you linked. Clearly this means research is conflicted on this topic.

Viewing Sexual Stimuli Associated with Greater Sexual Responsiveness, Not Erectile Dysfunction https://www.ncbi.nlm.nih.gov/pubmed/26185674

Is Pornography Use Associated with Sexual Difficulties and Dysfunctions among Younger Heterosexual Men https://pubmed.ncbi.nlm.nih.gov/25816904/