Zuckerberg’s social network is a politically agnostic tool for its more than 2 billion users, he has said. But Facebook, it turns out, is no bystander in global politics. What he hasn’t said is that his company actively works with political parties and leaders including those who use the platform to stifle opposition—sometimes with the aid of “troll armies” that spread misinformation and extremist ideologies.

Source: How Facebook’s Political Unit Enables the Dark Art of Digital Propaganda – Bloomberg
Facebook’s global propaganda operation was based out of Washington, D.C. and had Facebook staff working inside Trump campaign offices (Clinton is said to have decline an offer from Facebook to do the same thing for her).
Facebook has also done this for candidates in many other countries.
Assisting to over throw government through fakebook democracy meddling sounds like an act of terrorism, doesn’t it?