Targeted programs don't generally work; they rely on the idea that whoever is doing the targeting can predict the future better than everyone else, which isn't usually true.

> Make people as a whole less motivated to work is the antithesis of economic prosperity.

Making people as a whole less trapped in dead-end jobs is great for economic prosperity. We know that people are more productive once they have a safety net that lets them take risk, e.g. there's a huge bump in people starting their own businesses - a big economic positive on average, but risky - once they hit the medicaid eligibility age. Or taking the time to retrain and switch careers - again, positive on average, but something a lot of people can't afford or don't dare to take the risk of.