Rousseau was my choice also but for once I scrolled through the thread before posting. He was the “source” idiot for all the Communist/politically correct idiots who have followed his unrealistic thinking.
Yeah, you’re absolutely correct. There’s a great anecdote about him from Boswell. Boswell once asked Johnson who was the most evil, Rousseau or Voltaire? Johnson, “Sir! It is difficult to settle the proportion of iniquity between them.”