It's crazy because YouTube has probably more information about the sort of products that I actually want to buy than probably any other company besides Shopify. About a quarter of what I watch are literally just product reviews. They have a ton of high-intent purchasing signal for reputable products, and instead they are showing me ads for trash. I know it doesn't have to be this way, because Instagram somehow manages to show me highly relevant ads for stuff that I've actually gone on to purchase after discovering there.