That's an excellent point actually; in the modern world we are so used to high levels of complexity in every field that we forget that this is a recent and not

That's an excellent point actually; in the modern world we are so used to high levels of complexity in every field that we forget that this is a recent and not entirely welcome phenomenon - to cherry pick one minor example, people of my age will in their youth have been able to fix a wide variety problems with their car (or have a friend who could do so), today not so much. The systems, in both their technical and organisational natures, would have been far simpler in Athens.