Yep, this zero incentive means they will not know how to grow up and compute faithful efforts with results in the end. That lack of exposure in fixing your own car with worry and then seeing it run better than ever means they will use that money for easy fixes at best and nothing will be learned
It is paying people to stay dumb at best, at worse to be terrorists or have terrorist rackets rip it from these people. Many mentaly disabled kids in black neighborhood with EBT card get it taken by gangs
Heck, I _am_ motivated to productivity, and relish the idea of cashing in my investments to live a no-taxable-income lifestyle. $UBI/mo would cover cash-requiring expenses nicely, like paying property taxes.