7 years is too short a period in modern times, as even digital projects tend to benefit a lot from the old data and it's even more true for ambitious projects l

7 years is too short a period in modern times, as even digital projects tend to benefit a lot from the old data and it's even more true for ambitious projects like rail or space. Even an average mortgage in western societies is 20+ years so you have to remember for that long at least. And 'forgetting' after 20 or 30 years isn't going to help, like it didn't in the case of the original Spaniard who caused the ruling.