Can you explain this a bit better? I just went to Vox media and (as a Youtube Premium member) I'm not seeing any ads in their embedded videos. But I definitely

Can you explain this a bit better? I just went to Vox media and (as a Youtube Premium member) I'm not seeing any ads in their embedded videos. But I definitely would expect sites embedding youtube videos to show ads to users who don't pay for an ad-free youtube tier.