So is this the best they can do?

The basic problem is that healthcare costs are hugely skewed. Ten percent of the population accounts for more
than 60% of total spending, and just 1% accounts for 20% of spending. Most
people have relatively low healthcare costs. The trick with healthcare is
paying for small number of people who do have high costs.
Individual Choice, Cherry-Picking the Pool, and Screwing
Cancer Survivors

There is one story they could envision, which would make it
much easier for insurers to skew their pool. The Affordable Care Act (ACA)
restricted what sort of plans could be offered in the exchanges in order to
limit the ability for insurers to avoid high-cost individuals.
It would be possible to relax these restrictions to allow insurers to cherry pick their enrollees. For example, they could offer high-deductible plans, say $15,000 in payments, before any coverage kicked in.
No person with a serious health condition would buy this sort of plan since they know they would be paying at least $15,000 a year in medical expenses, and then a substantial fraction of everything above this amount, in addition to the premium itself.
On the other hand, a low-cost plan with $15,000 deductible might look pretty good to someone in good health, whose medical expenses usually don’t run beyond the cost of annual checkup.


























