Given the audience numbers for Arrival, in the first fortnight of its public release, more people will have encountered linguistic theory and been introduced to the Sapier-Whorf hypothesis than in the entire history of the study of linguistics (or indeed CS & AI courses, where I presume I first encountered it).
But it utterly dodges Chomsky's critique —that being the second irony: more people know Noam Chomsky(*) for his political opinions than his contributions to linguistics and his seminal work on Grammar; regexp being type 3, and HTML being very much not. While I'm happy to willingly suspend my disbelief about space aliens appearing from nowhere, the notion that S-W implies learning a new language changes the semantics of happens-before. grated on me. I'd have really preferred an ending where the lead protagonists retreat and admit defeat to the government, wherein Chomsky does a cameo, "told you!" before turning to the person by his side and going "More tea, Lamport?"
The whole premise of S-W, hence the film, is that language constrains your thinking: new languages enable new thoughts. That's very true in computing languages; you do think of solutions to problems in different ways, once you fully grasp the tenets of language like Lisp and Prolog. In human language: less clear. It certainly exposes you to a culture, and what that culture values (hint: there is no single word for Trainspotting in Italian, nor an english equivalent of Passiagata). And the S-W work was based on the different notions of time in Hopi, plus that "13 words for snow" story which implies the Inuit see snow differently from the rest of us. Bad news there: take up Scottish Winter Mountaineering and you not only end up with lots of words for Snow (snow, hail, slush, hardpack, softpack, perennial snowfield, ET-met snow, MF-met snow, powder, rime, corniche, verglas, sastrugi, ...), you end up with more words for rain. Does knowing the word Dreich make you appreciate it more? No, just that you have more of a scale of miserable.
Chomsky argued the notion of language comprehension being hardwired into our brain, the Front Temporal Lobe being the convention. Based on my own experiments, I'm confident that the location of my transient parser failures was separate from where numbers come from, so I'm kind of aligned with him here. After all: we haven't had a good conversation with a dolphin yet, and only once we can do that could we begin to make the case for what'd happen if we met other sentient life forms.
To summarise: while enjoying the lovely cinematography and abstract nature of the film, I couldn't sit there in disbelief about the language theme while wondering why they weren't asking the interesting questions, like The Halting Problem, whether P = NP, or even more fundamental: does maths exist, or is it something we've just made up?
Maybe that'll be the sequel.
Further reading
[Alford80] Demise of the Whorf Hypothesis.
(*) This had made me realise, I shoud add Chomsky to the list of CS grandees I should seek to be gently chided by, now having ticked Milner, Gray and Lamport off the list
(picture: 3Dom on Moon Lane)
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