It names Mamo Vangelio Moscote Alberto and Saka Rosa Mamatacán Sauna; they are also identified in a predating cultural document; https://static1.squarespace.com/static/661d435c11d79f60042ba...

There's a separate account that describes it as the result of four days of consultation: https://www.wildsidejourneys.com/post/a-message-from-the-eld...

Obviously it has been written in collaboration with someone with good knowledge of AI, but it's written to that audience, so why wouldn't they collaborate?

It would be a worse kind of cultural imperialism to deny these people the right to say something by criticizing how they say it.