> It's possible that productivity boosts from automation and AI could overtime make SS actually sustainable

Social Security is funded entirely by payroll tax deductions and invested only in treasury bonds. Bonds which have had very low yields in this century. Guess what you collect less of as automation and AI ramp up? Payroll taxes.

EDIT: I saw your comment here. https://news.ycombinator.com/item?id=45191291 Sounds like we agree.