Such beings as these emotionally-driven demons are exactly the opposite of what we need as mediators. They are sinful (like men) but spiritual (like God), when we really need someone who is flesh (like men) to and yet virtuous (like God). The implication of course is that we need the incarnate Son of God in the person of Jesus Christ.
Plotinus and the neo-Platonists argued that demons are punished by immortality as wicked beings, while the limited life of wicked men is a mercy. However, some men may be punished with immortality by being made beings like the demons (or even becoming demons themselves).
Plotinus draws a distinction between the gods and mankind: "These three things, then, he predicates of the gods, exaltation, eternity, blessedness; and of man he predicates the opposite, lowliness of habitation, mortality, misery."
What is needed is some kind of bridge between the two.