I read the testimonies of Google, Facebook, and Twitter executives before the Senate Commerce Committee on Combating the Spread of Extremist Propaganda (January 17, 2018), and I would advise you not to trust them very much. Under the pretext of fighting “extremist propaganda” (a vague term, probably selected to conceal partisan differences on what constitutes extremist propaganda) Google and Twitter suppress speech dissenting from leftist orthodoxy. For example, Google has demonetized some PragerU videos on a range of topics and is being sued by them. I have been banned from Google AdWords and Twitter Ads for speech opposing climate alarmism.
The suppression of conservative websites in Google organic search results has been documented many times. Continue reading Google and Twitter Censor non-Leftist Views Under Pretext of “Extremist Propaganda”