The ultimate goal of UBI doesn't seem like giving free money, it is freeing an individual's time which one used to spend in making up for basic needs and giving

The ultimate goal of UBI doesn't seem like giving free money, it is freeing an individual's time which one used to spend in making up for basic needs and giving freedom to do more useful stuff which will have a greater impact beyond one's family. What if one doesn't have the job one has at present?