The combined salaries of the nurses and doctors would never get even close to a trillion over the period they are talking about let a lone a year. Health spending is about 7 trillion or 1/3 the GDP of the US per year so
How much do YOU think a good seasoned nurse should be paid per hour, then? 15 dollars per hour minimum wage and capped?
Making a detailed analysis is not required. Just offering up possible and seemingly reasonable ways to save money is all that is politically required.