Earlier quoted context omitted.
Looks like it's mostly an abstract of something that was published in a journal but they hint at it saying 3 scenarios: simplifying/streamlining individual plans, standardizing plans across all groups ie. more standardization, and a combination of those two things. This would lead to less complexity and administrative overhead which would lead to savings etc.
Or perhaps look at other western countries that don't have any of this vampire squid stuff.
https://en.wikipedia.org/wiki/Health_care_system_in_Japan#Co...