You raise a pertinent point, I'll have to look into where Alaska gets the money for its program from One angle is using UBI to replace social security and unemployment benefits. While there still may not be enough money there, it does raise the idea of lowering age or other requirements to qualify

Oil! They drill for oil in fragile environments, and a chunk of the proceeds go to Alaskans.

So rather than all-at-once UBI, a more constant pressure on the government to expand the pool of people who gain benefits