That you know of -- it's possible he was secretly married, and his secret wife was sleeping with the likely first winner of a Nobel prize in mathematics.
Unlikely, yes, but the tale is not certainly apocryphal ;)
This is not higher-order thinking (insofar as such exists). The search tree is first-order -- in a sufficiently complex game that the search tree cannot be fully examined, the heuristics necessary to perform at a high level without the need to explore the search tree are the second order. The third order is left as an exercise to the reader.
> I hear this from time to time but it doesn’t pass the sniff test. If we assume the vehicles are points...
Ah yes, the "sniff test", in which things which are untrue are assumed, which make the interlocutor sufficiently confident to pontificate. "Sniff test", as a concept, doesn't pass itself, rhetorically (-- or maybe it's a "code smell").
We have no evidence that we will ever be able to build sufficiently adaptable systems to engage with unfamiliar environments without constant direct human intervention, which is not possible at light-year (or even light-second) ranges.
And yet, the chestnut is one of the very few commonly eaten botanical nuts (along with the hazelnut and some acorns) -- nearly all other culinary nuts are otherwise (drupes, seeds, legumes, etc).