No, a UBI is supposed to give people a way to live in a world where the basic assumption that labour (something everyone can contribute) is no longer necessary.

No, a UBI is supposed to give people a way to live in a world where the basic assumption that labour (something everyone can contribute) is no longer necessary. What would remain necessary is capital, and a lump sum would give everyone a meaningful amount of capital that they can contribute (invest) as they see fit.