The path to truly equal opportunity begins with a level playing field. Unconditional basic income provides this, ensuring every individual can meet their basic Maslow's pyramid needs. It's not a silver bullet for all societal ills - but it is an essential part of the solution.
A child with musical parents who end up growing up learning music has nothing to do with everyone's physiological and safety needs being met. Nobody is talking about creating equality of natural talent, that's ridiculous.