One: it would offer no human assumptions.
Two: more importantly it should and could include the trading part. (the op's video had some, but it felt really really limited from what I gathered)
It is really rare to see trading to be implemented. Yeah, it is the hard part but in competetive monopoly, it is big part.
I am yet to figure both input/output spaces for it. As soon as I figure them, I probably will do proper zero-style ai for many games.
Any other exchange becomes pointless as you won't be completing a color anyways.