I'm not sure how far policy makers expect to get when the corner stone of public policy everywhere seems (to me at least) to hinge on forcing individuals to try

I'm not sure how far policy makers expect to get when the corner stone of public policy everywhere seems (to me at least) to hinge on forcing individuals to try in some particular way that they may not be willing to allocate resources (i.e time, money, labor, knowledge, skills, etc) for weak incentives in return.