That wouldn't be equitable.
SS retirement benefits are earned by people who worked and paid into the system. That is NOT the same as welfare benefits.
Why not?
They earned them.
How is it you don't understand the difference between working for compensation, and receiving money without having ever had to do anything in exchange?
Taxpayers get back money because they worked and put money in.
Welfare recipients get money because the government gives them money that taxpayers put in.