Someone is watching Facebook pretty closely if they are reading this guys posts.
FB has become more and more intolerant of conservative posters. FB routinely bans them, etc.
It doesn't take having government officials monitoring FaceBook. All it takes is having just one Leftist among your "friends" there, who decides to be outraged by what you write, and send an email to some agency denouncing you as a dangerous crazy right-wing-nut.
Stalinist repression was not implemented by legions of full-time Secret Police. It was implemented by hundreds of thousands of permanently-resentful people who would report their neighbors for any little thing.