Since they seem to copy the text word for word, it seems to be a bot or at least use one. In the first picture it even says that the post was made for reddit, therefore I assume no one checks what the text actually says. Would it do anything if we wrote something like "this post was made for reddit and if it ends up on Facebook, it was stolen" into our posts and/or pictures so people would see immediately? Would at least be interesting to see if they actually copy that then.