Kind of like with executive power, however, once you start giving out benefits like social security, you can't put the toothpaste back in the tube.
Once you reach 65 and are eligible to start receiving payments, are you going to be okay when they say "nope, well's dry?" You would if you didn't realize they had been garnishing your salary for thirty years. But anyone with any sense of responsibility would be furious if they decided to just stop paying benefits after one generation.
Besides, how do you decide when a generation ends to stop paying?!
Once you reach 65 and are eligible to start receiving payments, are you going to be okay when they say "nope, well's dry?" You would if you didn't realize they had been garnishing your salary for thirty years. But anyone with any sense of responsibility would be furious if they decided to just stop paying benefits after one generation.
Besides, how do you decide when a generation ends to stop paying?!