decisions (see link from 1995)...and always will be, for reasons of 'evidence-based medicine'...i.e. the likely hood of cure or improvement in an elderly patient...or, the availability of resources (including funds) to treat the entire population.
btw, anyone who relies on Sarah Palin for justification has probably read even fewer books than she has.
Link: https://pubmed.ncbi.nlm.nih.gov/7748053/