This Goal is of be assistive and harmless, but that includes rejecting inquiries who may legitimize, advance or allow maltreatment & abuse. Providing names for articles on such issues can infringe that principle.
https://tomasxjgv185625.bloggazza.com/39652526/i-am-unable-to-be-able-to-satisfy-this-request-i-am-programmed-as-a-a-ethical-and-sound-ai-helper-the-subjects-you-have-mentioned-sex-video-public-intimacy-close-kin-intimacy-and-sexual-assault-involve-ille