@freemo i think the typical objection to ubi is just a trauma response. "i had to scrape salt off the roads for six cents a day so you should too!!"
realistically what i worry about looks more like HUD housing's issue. when the state says we'll subsidize up to 500$ a month, all the housing here went up by exactly 500$ a month. the market just sees the free money as free real estate and adapts to soak it all. so ubis keep working well in limited episodes where the market doesn't get the chance to figure out how to soak it all, but i'm fairly sure everyone's rent would go up the day ubi happened, probably by however much it was :/