Different models, similar number representations. Different models for different languages, similar concept representations. They have to learn all of this from human text input, so they're not divining it themselves. It all makes a strong case for universal grammar, IMO.
> It all makes a strong case for universal grammar, IMO.
What about through the lens of the Norvig-Chomsky debate?
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Surely the "universal grammar" is "every country adopting Western Arabic numerals, largely for commercial reasons, but also acknowledging that their indigenous systems kind of sucked in comparison." The fact that there are different languages truly means nothing, Arabic numerals spread much further than the Latin alphabet.
I really don't think this is evidence for "universal grammar" in any sense. It is evidence that we are all using the same very specific grammar for very specific cultural reasons.