Did the People of Easter Island Invent a Writing System From Scratch?

Smithsonian article linked about the new study: https://www.smithsonianmag.com/smart-news/research-reveals-the-natives-of-easter-island-invented-a-written-language-from-scratch-180983793/

Study as published in Nature: https://www.nature.com/articles/s41598-024-53063-7