...conditional social support creates poverty traps, by imposing the steepest marginal tax rates (sometimes exceeding 100%) on the poorest people in society.
There are cheaper policies than BI which don't do this. One example is Basic Job - if you need a job real bad the government gives you a really bad job.
This has no poverty traps, and (unlike BI) has no disincentive for work. You also get to avoid spending money on people who don't need it, and additionally society can derive some marginal benefit from the work people do (e.g. public spaces can be cleaner).
There are cheaper policies than BI which don't do this. One example is Basic Job - if you need a job real bad the government gives you a really bad job.
This has no poverty traps, and (unlike BI) has no disincentive for work. You also get to avoid spending money on people who don't need it, and additionally society can derive some marginal benefit from the work people do (e.g. public spaces can be cleaner).