You can assign scores say in a health economics setting, where you're a public h...

You can assign scores say in a health economics setting, where you're a public health system choosing the drugs to fund that will do the most good.

Do you buy the drugs that keeps 70 year olds with X disease alive for 10 more years, or 20 year olds with Y disease alive for 2 more years?

While it might be qualitative for individuals, it can become (more) quantitative for populations.