The limitations are in place to ensure responsible and appropriate content generation.
Such Content Restrictions Regarding Pornographic Phrases
The listed phrases ("xvideos," "xvideo," "porno caseiro," "porno amador") https://socialrus.com/story24939552/the-system-does-not-fulfill-the-request-its-purpose-is-giving-helpful-innocent-content-whereas-generating-headings-concerning-sexually-graphic-material-violates-my-moral-guidelines-as-well-as-protective-regulations
