One thing we could do is try to eliminate the separate withholding. Just roll it into the income tax. The idea that the money is set aside is a lie. It’s just taxation. Get rid of the separate nature of it, and it’ll be easier to shrink the program out of existence.
You do realize that SS is a flat tax and you are advocating replacing it with a graduated income tax. Graduated income tax is at the heart of our fiscal insanity and your are recommending that our dependence on it increase.