The problem is that not everyone hates the current system. Doctors in the US are paid exceptionally well because the system limits their supply. They can admit

The problem is that not everyone hates the current system. Doctors in the US are paid exceptionally well because the system limits their supply. They can admit the system is horrible while also benefitting themselves. Healthcare is 17% of US GDP so there are huge incentives to not change anything from the people collecting that money.