> still be in original owners hands in 2000 instead of museums.

Kinda, yes. Almost entirely for sentimental reasons though. The longest held ones would still likely be Amigas. Virtually only PCs were used in offices in 2000. Industrial cases would still hold on to some old machines simply because nobody upgrades those. (But that's kind of like subways today still working from floppies)

And then there's the in between of dos terminals for accounting, inventory, etc. Those were everywhere and survived for so much longer than in other countries as far as I can tell.