Does anyone know the details of the UBI within the Cherokee reservation in North Carolina? I don't understand why y-combinator chose the particular methods in

Does anyone know the details of the UBI within the Cherokee reservation in North Carolina? I don't understand why y-combinator chose the particular methods in the article. I can see how the control groups are losing engagement. Not many articles, but it seems to have been relatively successful. https://www.demos.org/blog/1/19/14/cherokee-tribes-basic-income-success-story https://www.demos.org/blog/1/19/14/cherokee-tribes-basic-inc...