I once tried to read a book written by one of these “linguistic archaeologists”. Such gibberish! I gave up about 1/3 of the way through, tried without success to make sense of his last chapter, and relegated it to the dead-storage locker.
Being incomprehensible passes for intelligence in their circles. I’m reminded of Richard Feynman’s dictum that “if you can’t explain your theory to a cocktail waitress, you don’t understand it yourself”.
They used reindeer and sleds to travel through the arctic. I read a book about it years ago.