Technology brings about changes in human attitudes; the widespread use of the clock made us more concerned with the passage of time. The invention of the deep sowing plough and the shoulder yoke changed the way we used agriculture; similarly the development of fertilisers and pesticides. this is not just a way of doing things but a way of thinking about things; something that we all seem to have forgotten in the last century.
The constitution has a procedure for its own amendment precisely because it was seen that what was known and thought necessary in the 18th century might be very different in the 21st century.