Those other things you list...newspapers, television, networks...they all have a Facebook page and distribute their content through FB.
These traditional forms of media are scrambling for likes/comments just as much as the next influencer.
These traditional forms of media are scrambling for likes/comments just as much as the next influencer.
Now compare that with Google -- most businesses need to be listed on Google or they will lose significant amount of business. Facebook is nothing by comparison.
Being popular doesn't make something a monopoly.
No and you don’t need to be a monopoly to violate antitrust laws and engage in anti competitive behavior.