

Well, their interpretation is at odds with reality, and they should reconcile that. Regardless of what they told or what they believed, they paid into a system where they were forced to subsidize current recipients, while the system itself could be revoked at any point, leaving them high and dry, and not running into 14th Amendment issues or anything like that. See Flemming v. Nestor, 1960 - quoting Wiki:
Flemming v. Nestor, 363 U.S. 603 (1960), was a United States Supreme Court case in which the Court upheld the constitutionality of Section 1104 of the 1935 Social Security Act. In this Section, Congress reserved to itself the power to amend and revise the schedule of benefits. The Court rejected that Social Security is a system of ‘accrued property rights’ and held that those who pay into the system have no contractual right to receive what they have paid into it.[1]
Note that I’m not saying anything “should” be one way or another, besides that people should be fully aware how the current system works in law.
I will not be able to convince someone who’s stubbornly ignoring everything I’m saying. Go waste someone else’s time.