"J. M. Barrie introduces a fairy-killing mechanism in Peter Pan; any time anyone says "I don't believe in fairies", a random fairy dies. In a world of immortal fairies, this could serve as an effective feedback. If no one has heard of fairies, no one will say they don't believe in them, and their population will grow. As fairies start to be common enough to be noticed, people will have a reason to say they don't believe in them, and their population will drop.
Eventually, civilization would start documenting the existence of fairies, and then no one would have any reason to disbelieve their existence, and the feedback loop would break down."
--
Rob Kelk
"Governments have no right to question the loyalty of those who oppose
them. Adversaries remain citizens of the same state, common subjects of
the same sovereign, servants of the same law."
- Michael Ignatieff, addressing Stanford University in 2012
Eventually, civilization would start documenting the existence of fairies, and then no one would have any reason to disbelieve their existence, and the feedback loop would break down."
--
Rob Kelk
"Governments have no right to question the loyalty of those who oppose
them. Adversaries remain citizens of the same state, common subjects of
the same sovereign, servants of the same law."
- Michael Ignatieff, addressing Stanford University in 2012