They are not causing SS to have a limited lifespan - but they ARE straining the social fabric of this country by actively concentrating all money at 'the top'. The poor do NOT have the discretionary cash to put away enough to live at even poverty levels after they 'retire'/become unemployable. The wealthy DO. Lessee - who are gung-ho about scrapping (not revamping, not making ancillary) sabotaging or raiding SS? Let me give you a hint: it AIN'T the poor. No, the poor aren't hungry enough to COMPLETELY suicide in their old age for 'bread today'. Not yet.
Not YET.