Point 1 - "Where will the value come from to pay him this basic income."

Where does the value for rain come from? For sunlight? For plants that grow? Nowhere. They just are. They are part of the circle of life (ouch....  on this one I cringe at my own words. Not trying to be schmalzy here, promise) which is part of our universe and how it rolls.

Let's do a gedandken experiment. We build closed-loop vertical farms that are automated. Nutrients are captured and supplied by machines, plants grow, machines harvest, process and distribute. We eat. Repeat. Maybe a human is involved now and then to deal with glitches. Maybe machines do that too.

What we have done above is we have rearranged matter into a machine that provides us our means to live. Same for a laboratory that just keeps on growing meat. Machines convert solar energy and local matter to food.

The machines feed all of us, forever. The food will cost zero. But we price it and use UBI to ensure folks do not waste it........