Another problem I have with BI is it equally distributes assistance with no prejudice to those more needy, i.e. the elderly, the disabled, the mentally ill, etc. So you take many funds away from people such as 70+ year olds who are on medication, SS, assisted living (which cost >> BI provides) and distribute available funds to able-bodied people who are "discovering themselves".
Further, having considerable able-bodied people leave the workforce by choice delays global human progress and achievement.
Instead, I am for additional public-sector money being spent on country- and global-level goals which the private sector cannot achieve nor make profitable. These include environmental, energy, medical, transportation, and infrastructure research. By putting public money into these research fields (which is hard/impossible to make profitable) you incentivize progress in areas which further human progress that cannot be met through private means. If you instead incentivize able-bodies to not work, not only do you take money away from needy (not much savings in admin costs) but you delay human progress.