“Yep....a case of use it or lose it.”
To be fair, nobody uses the same fabrication techniques today that they did in the 60’s. Look at cars. They just don’t make them like they used to. Thank God.
I watch Mecham auto auctions. I see the old corvettes, chevys, fords, etc from the 60s and wonder why have one in light of the new safety and performance characteristics of the new cars.
I do enjoy seeing the old cars though. Some good looking cars.
But they wouldn't pass a safety test today.