This entire article is deeply dumb.
Social Security is a tax.
Then it is a government expenditure based on whatever criteria Congress chooses or delegates to the Social Security Administration.
There is no “solvent”.
There is no “saving”.
That is accounting silliness.
Government can tax as it wishes and spend as it wishes and call the taxes Unicorns and the expenditures Unicorn excrement if it wishes.
Lower the income tax to a flat 1% and install The Fair Tax, the rate being negotiated every year. The 1% goes to a Roth IRA with no withdrawal until age 59. Allow unlimited IRA contributions tax free until a set amount is reached, say $300k.
Chile under Pinochet had a fella named Pinera who worked wonders for their system.
In 10 years the 1% tax can be eliminated.
On to health care. Put nurses in charge.