I'm a UBI skeptic but I think we need to keep running these experiments to gather data points. The pro-UBI crowd often times points out - and I think fairly - that a lot of these experiments are too small duration and scope to be very useful. It'd be interesting to see say an entire county try UBI for a year.
Also, they don’t phase out any of the targeted programs that also support these people, which is one of the main things that UBI proponents so I will offset the cost