UBI is orthogonal to socialism. It could exist under socialism, but you could also just take the existing state of the USA, widely considered capitalist, and mo

UBI is orthogonal to socialism. It could exist under socialism, but you could also just take the existing state of the USA, widely considered capitalist, and modify it by setting the Social Security benefits age to 0. I've actually seen socialists against the UBI often enough; it implies the existence of money and markets