The business model is the same ... There are medium sized businesses that have the same business model as a multi-nationals, for example ... The biggest difference is the number of people affected.
Both are regulated and subsidized by the federal govt. The subsidies are in the form of taxes.
Both funnel money from people to the large insurance companies. Neither has cost controls.
A note on Obamacare. Millions of exemptions have been granted. The latest CBO report estimates that only half of the 40+ million without insurance will be covered, so it is a myth that everyone has to have it. Obamacare does fill the Medicare D Donut Hole.
Having said all that, I can live with Medicare-D. Obamacare will be a total disaster.