Great points Schalk.

It is commonly ignored in all financial calculations and political debate that how changing a single parameter can make so much of a difference.

Everyone talks about saving future generation, but no one (or few) actually understand the significance of the discount rate. In real world, it is not the emotions, but the discount rate that is the main decision parameter through which we assign importance to our future.

A simple, yet effective way of preserving future is often lost in financial spreadsheets.