Not everyone does, but many do. Also, if he had left it at, "I don't understand why" then he would have successfully maintained the fog of possibilities and bot

Not everyone does, but many do. Also, if he had left it at, "I don't understand why" then he would have successfully maintained the fog of possibilities and both parties could continue playing the vague game. Instead he posited a theory about management disliking his charity ideas. Though the CEO's response was a bit much.