Chris Murphy actually said...

we're spending, on average, about $1,000 less per Medicare beneficiary than we had initially thought.

I believe the latter, the reducing coverage, is not materially affected by this.

we have spent about $2 trillion less on health care since the passage of the Affordable Care Act than the CBO had initially estimated.

the Affordable Care Act, according to you, is, in and of itself, an incentive to move from employer-sponsored care to other forms of health ...