The problem was not the agents. Every individual agent performed well within its domain. The problem was the missing coordination infrastructure between them, what I now call the 'Event Spine' that enables agents to work as a system rather than a collection of individuals competing for the same resources.
Despite significant investments and technological advancements, the reality is that no vehicle currently operating on public roads can be classified as fully autonomous. The complexities of real-world driving conditions present insurmountable challenges.