Yes things were tough in the 70s but we had North Sea gas and oil coming on stream and EU single market to save us.
After WW2 we had the global bounce back from war but even then saw the huge decline in manufacturing, we were know as the "Poor Man of Europe"
No one is suggesting nurses earn 100k, don't be silly, they would like a starting wage of around 30k or 10%, which isn't unreasonable.
As for crime, our crime rate is double that of France and we house the highest number of prisoners of the Eu27, we are not at peace, ffs don't you read the news?
In earlier crisis, we had the ability to borrow and devalue the £, now we cannot, so we will have to tax the wealthy and assets far more.
Oh and none of the previous crisis were self inflicted, remember we voted to make ourselves poorer.