If anyone has doubts about UBI, consider the great A/B (or rather B/W?) experiment the government ran as part of the New Deal. One group was provided subsidies for housing (analogous to UBI) and another was not - decades later, the initial modest help compounded to leave one group much more prosperous than the other. I'm willing to bet on the outcome of this study.

https://www.npr.org/2017/05/03/526655831/a-forgotten-history...

"African-American families that were prohibited from buying homes in the suburbs in the 1940s and '50s and even into the '60s, by the Federal Housing Administration, gained none of the equity appreciation that whites gained. So ... the Daly City development south of San Francisco or Levittown or any of the others in between across the country, those homes in the late 1940s and 1950s sold for about twice national median income. They were affordable to working-class families with an FHA or VA mortgage. African-Americans were equally able to afford those homes as whites but were prohibited from buying them. Today those homes sell for $300,000 [or] $400,000 at the minimum, six, eight times national median income. ..."