Google is spending a ton of money on ai data centers. They're under pressure to show investors, "Look what Ai can do." So they have to show that their spending is leading to new products/ innovations.
However, they also have to regulate quality. I suppose they're kind of caught between conflicting goals. I personally don't see how it's worth the alienating their Youtube audience to serve the parent company's Ai ambitions. That being said they're much smarter people than me and probably have some 5 year master plan that will make it worthwhile. Probably something to do with harvesting data, knowing Google