People have always looked backward to classical designs.
Case in point.....
Everything old is new again :-)
If you look at the history of collector cars, the most popular car of a given time is the one that 60 yr old guys had (or greatly desired) when they were 16-22 yrs old.
So the 60s cars are the thing today.
When I was a kid, the collectors were hot for Model A Fords.