User blog comment:Brandon Rhea/Intro to Wiki Modernization/@comment-5238398-20170307103426

"it’s safe to say we all agree that there’s a real imbalance between content and non-content items on a page."

Looking at those Harry Potter example, video takes a half of even total visible space. Or maybe I need to look through once again. But yes, it's much better than random banners all over the place, just please no page-blocking pop-ups.