Facebook adopts Internet Research Agency (of Russia) techniques to boost public opinion of Facebook:

While Mr. Zuckerberg conducted a public apology tour in the last year, Ms. Sandberg has overseen an aggressive lobbying campaign to combat Facebook’s critics, shift public anger toward rival companies and ward off damaging regulation. Facebook employed a Republican opposition-research firm to discredit activist protesters, in part by linking them to the liberal financier George Soros. It also tapped its business relationships, persuading a Jewish civil rights group to cast some criticism of the company as anti-Semitic.

Source: Delay, Deny and Deflect: How Facebook’s Leaders Fought Through Crisis – The New York Times

While denying that FB is a propaganda platform, FB engages standard methods of propaganda to influence others. Not a surprise considering FB is the world’s leading propaganda platform.