I had to 'unfriend' a good plant friend on FB because she kept plastering photos of dogs that were being abused, starved, even posted one of a dog that had a gunshot wound in the head. Seriously, many FaceBook postings are crap. Some FB people insist on posting prayers, or political junk or the game of the day. Then they constantly want me to 'Like' whatever they like. No, I have a brain of my own thank you. What is the point of all that garbage that ends up on my FB page. I delete the offensive posts and immediately 'unfriend' the person. Yep, I only use FB to keep in touch with (thoughtful, well behaved) family and friends.
ATP is a plant site; plant photos are always welcomed here and no one would ever unfriend a person for posting plant pics here!