"The act also provided funds to assist children, the blind, and the unemployed; to institute vocational training programs; and provide family health programs. As a result, enactment of Social Security brought into existence complex administrative challenges. The Social Security Act authorized the Social Security Board to register citizens for benefits, to administer the contributions received by the Federal Government, and to send payments to recipients"
"Prior to Social Security, the elderly routinely faced the prospect of poverty upon retirement. For the most part, that fear has now dissipated."
There's nothing about supporting the wealthy.