They don’t lack the language, they lack knowledge beyond that. As anything beyond that is down the rabbit’s hole of “everything is possible” and thus the story

They don’t lack the language, they lack knowledge beyond that. As anything beyond that is down the rabbit’s hole of “everything is possible” and thus the story is as boring as the 10 season of your sci-go show when they have reached beyond unifinity of galaxies and you just can’t make a proper narrative about something that no longer has any reference to the viewers