What do you mean? I wonder if we are talking about the same search engine. For which queries? Can you please provide some data and examples and be constructive.
Of course if you search for "buy an ipad" I expected you to get web pages of people selling that thing, some of them will be ads, interesting...
Just to compare I searched for "insects in pleistocene", and guess what, no ads, zero, no sites from "advertisers" too. Ah, well there is an entry from google books, in 5th position, crap, I certainly didn't want to know that somebody wrote a book about that...
Btw, getting search results containing sites of people selling stuff (I guess that's what you mean by "advertisers in the unbiased results) is a proof that the search is unbiased.
Any kind of open and free search engine will give business the possibility to write sites that contain keywords that will eventually get to the search results and piss you off because "the internet is filled with crappy advertisement".
What are you criticizing ? The current search engine monopolist or "the capitalistic system" ?
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This article is about a borderline situation where the process of automatic scanning of your personal conversations is used to achieve a goal where you are the party that benefits the less.
Compare this with antspam scanning, which also has to analyze text of all your email, including all the training that you put in the system by actually reporting spam, or removing it from the spam folder.
You are grateful that somebody is filtering your spam. Of course the company offering the service also benefits from you, since it receives more conversions if it has an useful service which people love. But all in all, you have the feeling that it's you who benefit the most out of the deal, so have a machine parsing your email for that purpose doesn't bother you.