As with many things, we are nostalgic for days gone by. However, I feel it would also be true to say "they sure didn't build things back then like they do today". As knowledge and materials have improved over time, it would be unreasonable to think the best of anything made today, does not exceed the best of yesteryear.
20 Vintage Amps That Prove They Really Don’t Make Them Like They Used To
I found this article to be interesting and very educational! Enjoy!
https://www.headphonesty.com/