I definitely did hear it as once facet of why UBI could be good. Right now, in some places there are people who will lose benefits (I forget which variety) if their income goes above a certain point, so they are disincentivized to seek a better job -- as it would net them less income. One thing I recall reading about UBI was that it removed that _condition_, and so there would be no incentive not to get a job (other than feeling like UBI was "enough", which IMO is reasonable).