Earlier quoted context omitted.
The irony of this approach is that the lower interest rates are, the more people need to save to reach their retirement goals. If this effect is stronger than the incentive to borrow and invest, low interest rates might actually curb consumption.
Saving for retirement using a savings account hasn't been a viable strategy in decades (at least in the US). People need to be encouraged to invest a significant portion of their money in other securities, and know that in the long term, they'll be much better off for it.
Until equities and other securities no longer provide the return needed for long term wealth accumulation.