Backwards- if you want to cover areas your network needs to be the size to cover it. Its much more comparatively expensive when you have 3 people riding each route rather than 18.
You’re correct on main lines, however you can also run larger busses.
I went of treaty of Waitangi, like how America was “founded” at the declaration of independence.
Flipside, I cant exactly say us Maori were developing a strong road network, industrial base and civil structures now can I?