Please forgive my nostalgic flair (especially since what I think of as being old is from the late-80's!).....BUT....the old-school way of doing thing was to build things how they were going to be realistically used.
Nowadays, things are way-underbuilt in hopes that they will be "urbanly-used"...meaning an occasional boat-to-the-lake pull.
My only real world experience is when I started working at a Ford dealership in '95, when warranty work included the Bronco. Plastic soon replaced metal. Hard-wired-circuits were replaced by modules ("computers" that were "better" at controlling lights and windows, and now, gulp.... throttles!!!!!!!)
But back in the '70's and 60's, it was the closest we were to "the old days" of everyone being a "farmer" to simply stay alive and eat what they grew. Things were meant to last, built to last.
I challenge anybody on the planet to daily use a Ford Contour(which had the largest ever development costs) and report back in 2050 how it's going. I dare you!! Can't even keep the 10-year-old-ones on the road going after nearly any failure!