Also, rarely is it the case that such expensive treatments are needed by more than a fraction of the population. I’d say there’s an argument to be made that we all aught to be okay with a small fraction of people getting healthcare that far outstrips their contribution via taxes – given that we never know if that one day may be us.
Yes, but that still must have limits. Society certainly should not pay one trillion dollars to care for a single patient. That’s too inefficient.
> then why shouldn't we?
Ultimately, there's only so much economy to go around. What percentage of it are you willing to dedicate to treating that one condition? What about everything that can't be funded or produced as a result of that allocation?