Though I never received "basic income" I did inherit enough money 20 years ago, low 5 figures, to quit the stressful lame job I had working for an idiot, because I felt empowered by the inheritance and would not have to work to pay my living expenses for a while if I budgeted and kept my expenses to a minimum. In that time I learned enough about the Internet and computing in general to start my own hosting business (no VC required) and kept learning as I worked. I eventually sold that business and transitioned into the job I have today. And that is not the end of the story, as I have become empowered again through the sale of a domain name, and am starting a completely new business venture, again no VC required.
The point being that it is true, a sense of independent security, achieved by having your basic needs met while you try to improve yourself, is so very empowering, and allows the spirited entrepreneur to accomplish that which would otherwise be virtually impossible.