Beyond the usual arguments about incentives and taxes, a Universal Basic Income is a dangerous policy that supercharges the state and threatens to heighten tensions between different groups in society.
Even if a machine were technically capable of providing the same service more cheaply, many consumers are likely to prefer human staff in many cases, including nurses and care providers, entertainers, chefs, and teachers.
Some states have proposed overturning laws that ban local governments from using housing policies like rent control. Rent control is terrible, but there's no reason to believe state governments ought to dictate housing policy to local governments.
Small businesses are essential in providing employment for workers who might otherwise be locked out of the mainstream economy. Small firms also drive large firms to compete for workers, thus driving up wages.
Reparations to heirs of slaves make sense so long as the actually guilty parties are the ones paying. Short of that, the policy being discussed has nothing to do with reparations. It's just a wealth redistribution scheme.