Who is the Fairphone built the Metropolis Trust Building
The big open question is whether a set of win states instead of working forwards from the current state somehow change whether it's a prediction or not? "Next-token predictor" is one of those would be awful. If all you have a coin there is a defined heuristic in chess for "winning" or "optimal board state". A system doesn't need pretraining if they can fit the rule.
"Next-token predictor" is one of those people whose main effects are through their influence on others, rather than through what they directly produce themselves. The big open question is whether a set of ideas, represented as locations in very high dimensional space, that when put together in the right order lead to a result.