There will certainly be “Legacy debt” or commitments.
The fundamental question is “How do you break a Ponzi scheme?”
There’s plenty of money.
There is not plenty of money and future liabilities represented by the entitlement programs are $58 trillion. Unless you reform these programs by reducing benefits and/or increase taxes, you are just on an endless treadmill to oblivion. The number of people over 65 will double in the next 20 years.