I agree that Pynchon was more or less an aloof observer of the von Neumann denouement.. maybe you can have Lem in your corner depending on how optimistic you think he is, but I would put Kim Stanley Robinson in that corner (been thinking about the Mondragon Accord). The median HN'er, I don't know, Iain Banks/Gibson. Feel free to take it to another level with some cryptic pointers (/arrows) :) H https://en.wikipedia.org/wiki/Mondragon_Corporation#Mondrago...
And checkout KSR's influences.
I admit to not having read <<DGPS>> in its entirety (or any majority,really) -- reason being that I read Demian E2E and surmised that the apple hedgehog didn't land too far from the tree fox. Trying to reconsider now :)