The old Google would have hunted these down mercilessly (Panda update in 2011). What happened to Google these days?
Use other search engines is the only way to do something.
Also funny that Google Page Speed Insights was complaining about the Google Analytics JS and its caching duration.
Probably different teams and competing in a strange manner with each other.
Most people don't click on ads, so getting visitors to your site from organic search terms is more likely to convert them into returning users.