You’d have a massively pedantic, bureaucratic and MORE COSTLY system than just giving people money.
Costs more per person, short term. Costs less long-term as it actually solves the problem and thus doesn’t require and infinite firehouse of money lasting forever into the future.
There is no doubt UBI is cheaper per person, but not cheaper for society overall, in fact it is far more costly by not solving the problem.
There’s no abusing that, no unnecessary oversight, let adults be adults. At the very least, they are better placed to be consumers, helping money cycle, instead of being faced with starvation, as your inhumane system would have it.
When adults are “adults” they dont need financial support from a nanny state. If they need support then they already arent capable of being adults. Which is fine, but instead of pretending they are lets get them help so they can start being adults.