No. Many high-quality websites contain AI-generated content. Illustrations made with Stable Diffusion have become common on hacker/dev blogs. AI-generated text

No. Many high-quality websites contain AI-generated content. Illustrations made with Stable Diffusion have become common on hacker/dev blogs. AI-generated text is posted everywhere ChatGPT is being discussed. The technique you describe doesn't filter any of those. So "No AI-Content" is at best highly misleading, and, if you're being a little less charitable, flat out false.