It would teach the owners to shop for healthcare efficiently rather than simply assuming that some third party is going to take care of the expenses.
For the indigent and disabled who are already on government dole, the same money that is used to support their healthcare needs now can be divided and shifted to their HSA. It will be necessary to devise incentives for those who are not indigent to contribute to their own HSA.
It will also be necessary to provide incentives for employers to contribute to the HSA of their employees. These are the basic tenants of an effective HSA system. The details should be worked out in a bipartisan manner so that there is total buy-in by everyone.
This will also necessitate finding other mechanisms to address catastrophic healthcare, which can also be addressed in a logical fashion without expanding the tax burden or other bureaucratic entities.