Which is exactly why he suggests that there should not be a subsidy. Subsidies exist precisely to determine for others what is or isn't worthless through moneta

Which is exactly why he suggests that there should not be a subsidy. Subsidies exist precisely to determine for others what is or isn't worthless through monetary incentive. You cannot reasonably tell someone that only they can choose what or is not worthwhile, while dangling a huge carrot in front of them. That you feel it is necessary to dangle that carrot says that you've already decided for them.