There is generally a heavy bias to focusing on abuse instead of outcomes. Who cares that there are some false positives if there is a net benefit, it's just noise.

A general reason to focus on abuse instead of immediately visible outcomes: if the abuse is not dealt with properly, then that may lead to the abuse becoming increasingly widespread and blatant, which will affect future outcomes.

Crabs in a bucket.

Then make it an universal income, because deep down everyone is an artist waiting to be revealed.

Every special interest will claim that "give more money to us" leads to better societal outcomes.