I gather that the claims about mycorrhizal networks have been overstated or at least the evidence is limited. e.g. see this episode of Science Fictions

https://sciencefictionspod.substack.com/p/episode-91-entangl...

But even in the most conservative reading of the evidence, there is a lot of amazing ecology going on here. And the economic analogy seems apt. I buy her argument that it's worth investing a lot more to explore these interactions.

Stepping back - evolution has had a vastly greater amount of time to deal with economic & game theoretic situations than we have. Learning more about what type of strategies have survived the test of time could be very important. Especially as we are currently at the beginning of an explosive change in our own ecosystem (and I ain't talking about biodiversity or climate change...)