Petty bureaucratic tyrants had a rough time when the Roman Empire fell. When Han Dynasty China fell.
Parasites can't survive without a vulnerable host population. Less government = less easy blood to suck.
I'm not suggesting #ubi is something a healthy society should do. But sit down with your government's budget and a list of departments, programs and agencies, and rule a line through each that could be replaced with #ubi.
Its not just the #fiat money saved, its the scorched-earth destruction of organised vested interests.
The bureaucrats will never support #ubi. In any form.