Of course Conservatives don't trust Facebook. Facebook labels their political beliefs as hate speech. All of the concerns listed are what has been happening to Conservatives because Facebook is run by people who oppose Conservatism and was designed to do these things.
"From the Ivy League to Hollywood and the mainstream media, Americans with traditional morals or conservative politics have often felt excluded from the country’s elite, culture-creating institutions. Facebook offered an alternative: a place to express views and share news that you couldn’t find in the New York Times..."