This is only true recently! Through most of history people lived and died with technology and culture nearly identical to that of their parents / grandparents. In terms of tech and cultural evolution, we are on the uptick of a hockey-stick growth.

It's absolutely accurate that `kids these days` have grown up in a different environment than `grownups these days` than the same demographics from 50, 100, 200, or 1000 years ago.