Definition "High End":
High End is for me also a definition for hardware that is 100% stable in 24/7 use.
For example a tape machine Studer A80 or a broadcast turntable EMT 948, which was in a lot of radio stations. The needle is playing 3 years with 365 days 24/7 - and not only 1000 records. Changing the needle-system or boards in the turntable in 5 seconds. They are stable - and you can also hear the difference in audio quality to other machines. And they do their job after 40 years daily use!!!
We digitaze old tapes and vinyl round the clock, therefore computers run 24/7.
RME Fireface 800 runs longer then a year, without switching off. And there are never problems during recording analog medias. Focusrite interfaces had sometimes problems when they are longer used as 14 days, then the laptops had to be restartet - so this is not HighEnd. A Roland Quad Capture can run a year without switching off, when the laptop runs 365 days 24/7.
"HighEnd" is therefore also that you can use your hardware 365 days 24/7 over decades.