the down-vote thing unfortunately is not unique, Reddit has the same problem, but worse. I once made a simple comment there where I just told an anecdote about

the down-vote thing unfortunately is not unique, Reddit has the same problem, but worse. I once made a simple comment there where I just told an anecdote about something that happened, it wasn't anything serious, political or controversial or unrelated to the parent post, but apparently it rubbed someone the wrong way and he took it upon himself to go trough my comment history and down-vote the last 60 comments I've made.