They just want to get the easy money of you clicking the ad for $someco that they put in before the "i'm feeling lucky" spot where $someco should be.
Want to find something you know you read a couple of months ago and recall a lot of details about? Good luck. Not sure what the best search engine is for that but it seems it is no longer google.
Are these twin declines, service quality and revenue somehow causally related? If so in which direction?