After I made the post I remembered they already do it. Brands can pay to sponsor existing videos that put them in a good light. These recomendations do have a

After I made the post I remembered they already do it. Brands can pay to sponsor existing videos that put them in a good light. These recomendations do have an [Ad] tag, but the extra views and impressions are allow to feed into the algorithm which then doesn't have to maintain the [Ad] tag going forward: https://support.google.com/google-ads/thread/10007177/using-someone-else-s-youtube-video-as-my-youtube-ad https://support.google.com/google-ads/thread/10007177/using-...