[dragonwriter]

> is it hard for an advanced AI model to differentiate the intention of the prompt and then if it's mature content may be not generate the image?

Or, better, if the prompt has nothing NSFW in it and the generated image triggers a detector for NSFW content, dump and then regen the image with a new seed. Displaying an error message that is basically “We generated something that we think is objectionable, even though your prompt called for nothing like that, so you get no photo” is an idiotic design.