Sooner or later UBI will likely be introduced and it may become necessary due to advancements in ai and robotics. However, let’s not conflate two ideas: not having a 9-to-5 job doesn’t prevent you from creating your own proof-of-work. You can pursue art, engineering, or whatever aligns with your personal interests. In fact, the most significant proofs of work in history were all created voluntarily like Newton discovering the three laws of motion, al-Khwarizmi inventing Algebra, or Satoshi creating Bitcoin.