[iaskwhy]

My brain algo is something like this:

If I know exactly what I want I search in Google and might or might not click on the first result (the ad) since sometimes the ad is exactly the same as the first organic result (and sometimes with a discount because you go to a landing page instead of, say, the home page of that company's site).

If I want something but have no idea which company I want to buy from I usually do look into the ads first and click on those that seem directed at me (because, as you said, they actively want me to buy from them).