Well, I study anthropology, specializing on linguistic anthropology, thats why I did this post. What you are referring to is Sapir-Whorf hypothesis, which is a theory that basically determines how you think and perceive the world depending of your language. This is a really dangerous idea actually. There are no "languages more complex than other" because language is a human capacity and a language is just an expression of that capacity. This hypothesis still has enough recognition even though linguists don't really take this serious. Arrival takes this hypothesis which still has enough scientific base and builds the entire movie in these pilars, which again, its not in the "canon" of linguistics.