UBI will naturally works its way into the economy in most developed countries.  With AI and automation, many of the mid to lower tier jobs will disappear.  UBI is needed to maintain the peace.

Just think of it as a tax credit.  Tax credit will not work if people don't have jobs.  

The sad thing is poorer countries will be f***ked.  They can't afford UBI and can't compete with countries that have high tech AI and automation.

Andrew Yang is correct in many ways.