This seems to invert the causal chain. People stopped working almost entirely first. That is why we got the benefits. It has also been shown that people behave

This seems to invert the causal chain. People stopped working almost entirely first. That is why we got the benefits. It has also been shown that people behave differently when they know the benefit will end. Beyond these issues, for the COVID experiment there are far too many confounds to say anything conclusively about UBI from it.