Do search engines form opinions? What is behind the mysterious SEO

SEO, although for any it is simply a mysterious concept, in practice means optimizing pages to increase visibility in search engines. By choosing those pages that are at the top of the list, do we unconsciously let you to influence your opinions? According to Epstein and Robertson's research, search engine results that are not nonsubjective can change the views of 20% of voters in elections. How can search engines affect our decisions?