[xupybd]

By economic steps I meant you have to generate enough capital to afford tractors. This is a good stepping stone.

[reverius42]

Those with excess capital could just, like, give them the tractors.

[xupybd]

You could but you might not have enough money to send enough tractors and infrastructure to have as big of an impact. If you were optimising for impact you might find that Scythes are a better return on your investment.