Aposematism - (from apo- away, and sematic sign/meaning), perhaps most commonly known in the context of warning colouration, describes a family of antipredator adaptations where a warning signal is associated with the unprofitability of a prey item to potential predators.
gnosanopsia - awareness without discrimination.
demagogue or sometimes ( US ) demagog (ˈdɛməˌɡɒɡ) — n
1. a political agitator who appeals with crude oratory to the prejudice and passions of the mob
2. (esp in the ancient world) any popular political leader or orator
[C17: from Greek dēmagōgos people's leader, from dēmos people + agein to lead]