> If Company A doesn’t give you a good deal on your healthcare, Company B will Then when you need to make a claim you discover that Company B gave a good deal

> If Company A doesn’t give you a good deal on your healthcare, Company B will Then when you need to make a claim you discover that Company B gave a good deal because in the fine print they added exclusions that result in your claim being rejected for some arbitrary reason. So yes, in the long term the competitive landscape works as word gets out that Company B's plan is garbage, but in the short term you are forced into personal bankruptcy or a worse health outcome.