Genuinely curious…

Did you, in fact, rip your SACDs at their true, higher, resolution?

If so, how ?

Yes, in the early days. Now I download SACD "backups".

You need to use the below software and get yourself an Oppo 105 BD player.

https://www.dropbox.com/scl/fo/0yvj4ytl1tgk4r0eqt385/AA4yicm...

Full instructions here:

https://www.hifive.sg/index.php?threads/ripping-sacd-on-a-op...

You can get hacked Blu-ray players to rip SACD.