That was the way it had worked for thousands of years, you took care of your kids when they were young and then they took care of you when you got old. Value received for value given.
that still doesn't allow congress to violate the legal restrictions. If most Americans wanted to eliminate the Postal Service could Congress eliminate it? Of course not, the postal service is one of the few things mandated by the constitution. How about the courts? If "We the People" wanted congress to eliminate the courts, could the legislature do that legally under the constitution?