This is not an answer... and the usual problem when discussing UBI, because it is an unrealistic and utopian idea, and we can see that in you comment. It is not

This is not an answer... and the usual problem when discussing UBI, because it is an unrealistic and utopian idea, and we can see that in you comment. It is not possible to hand £85 billion a month to everyone in the UK (in this case but that applies everywhere), this is not a "made up thing", this is economics 101.