While I don't disagree with the notion of the existence of BS jobs, UBI is not needed. Instead we need more companies to take on more and more interesting and world-solving things.
We keep saying we need UBI but at the same time "we don't have enough homes". Then instead of UBI, maybe people should "make homes"? (That's just one example - there are also jobs in food, healthcare, mental illness care, spacecraft, etc...