One of the jewels in the crown of Labour's time in office was the rescue of the National Health Service. As the Commonwealth Fund the London School of Economics and the Nuffield Foundation have all shown health reforms as well as additional investment were essential to improved outcomes especially for poorer patients.
If you allow for a purely capitalistic society without any type of regulation at all you will get one monopoly that will eat all of the smaller fish and own everything and then you'll have zero capitalism zero competition - it would just be one giant company.