How government regulation and oversight influenced health care

How has government regulation and oversight influenced health care products and services? Provide an example.
Consider health care reform.
Should the Affordable Care Act (ACA/Obamacare) be repealed entirely, some parts or none at all?
During this COVID pandemic, the federal government extended the healthcare marketplace for ObamaCare several times. What are your views on the marketplace being opening continuously until this pandemic is under control?