“And while we want to give our community time to adjust to the new process and features, in the future we’ll look at enforcement measures for creators who consistently choose not to disclose this information.”
YouTube now asks creators to tick a box when realistic video is synthetic. For most videos the label lands in the expanded description that nobody opens. Enforcement is something YouTube will look at in the future. Google sells the generative tools, hosts the output and now hands the honesty problem to the uploader.