Misanthropes -- haters of humanity -- are easily enraged when humans find happiness in their "miserable" lives.
Utopia is commonly understood to be a perfect place where nothing bad happens. Those who are selling their vision of the perfect the world are oft described as Utopians.
What provision do Utopians make for practical jokers and misanthropes?Answer:
What? Do you really expect them to reveal to you ahead of time that it is they who plan to run things?
Practical jokers are the salesmen, misanthropes run the camps.