The modern emphasis on self-awareness seems to have taken our psychological development about as far as it can for now; further progress requires the pendulum to swing towards attending to our interrelatedness, toward Self-awareness. The two most active and influential sociopolitical worldviews of our time, conservatism and progressivism, are both demonstrably collective in orientation.
Academic personality research likes to consider trait psychology to be the scientific revolution that overtook and replaced Jung’s type psychology. However, it may be more accurate to view type and trait models as complementary because the conceptual divide has been shifting, and many trends in academic personality research now reflect the fundamental principles of Jung’s type system.
Complicated conversations occur when different types of consciousness meet other kinds of consciousness, which both befriend and oppose them. You need some way of making sense of “what are the regular territories within this mad conversation?” That is what Jung achieved in Psychological Types: a flexible-enough model to cover all the collisions of consciousness that can arise.