The government is committed to funding you as long as you live, over 65, and also in charge of approving new life extending drugs and procedures. This gives federal bureaucrats and politicians perverse incentives. Governments claim to benevolence to the elderly is suspect when they have high pressure to balance the budget.
Means tested Social Security will be a disaster. People will not save for their own retirement so they can qualify for means tested benefits.
Examples of Some Retirement Plans