I googled a phone number recently. It was the first result, got my answer. The rest of the results were websites for physical locations I had been recently, including a hospital, none of which had any relationship to the phone number.
Google is _not_ a good guideline for asking the right questions. It is trying to make as much money as possible and it will scramble anything it can think of to do that. Don't use that as a guideline for how you are thinking about questions.
oh Haha, funny old meme. Step 2 though is very clearly to show more ads and more content, to show more 'full results pages', etc, rather than just show me the 1 thing I needed and be on my way.
I should include that Google said next to each result ('"555-555-555" is not on this page') and then show the page. Totally knows that the results are unrelated to my query, but shows them anyway. Why?
So was there even a single ad on that search result page? From your original description it certainly didn't sound so. If not, how did it contribute to you being shown more ads?
Google is _not_ a good guideline for asking the right questions. It is trying to make as much money as possible and it will scramble anything it can think of to do that. Don't use that as a guideline for how you are thinking about questions.