I believe the parent poster's point is that google searches are at the end of the purchase funnel when there's buying intent. As a result the click usually lead

I believe the parent poster's point is that google searches are at the end of the purchase funnel when there's buying intent. As a result the click usually leads to the sale, and you can populate the ad based purely on the query. For instance I query "flower delivery Tampa FL" and the query tells me enough to populate ads.