I miss the simplicity and smaller size of those older operating systems, and some of their GUIs were actually more intuitive than today's "modern" ones.I've worked with BeOS (it was a charming OS), OS/2 (really like OS/2), Windows 1.x (not pleasant) though Modern windows, MacOS (don't like it, but that's more preference than anything, it's certainly worlds better than versions 9.0 and earlier), and various other OSes. None of those required extensive knowledge of the OS or how to troubleshoot the OS to get them up and running in general.
I'd rather work with old DOS with autoexec.bat and config.sys resolving IRQ and DMI conflicts and trying to get everything I need loaded into memory to get a program to work and hardware to play nicely together than muck around with Linux.
"Modern" operating systems are disappointing because of their sheer size, complexity, bugginess, and the fact that they are still mostly written in C/C++ which results in a never-ending stream of security patches/updates for the OS (that can stilll be hacked anyway since it's bloatware with a huge attack surface).
Frankly, a lot of the hardware and software "evolution" of the last 2 or 3 decades is quite disappointing, and the computer industry really needs a total reset from both software and hardware perspectives, but unfortunaly that won't happen anytime soon.
And btw, I agree that Linux still sucks as a desktop OS even after 26 years of existence.
https://itvision.altervista.org/why.linux.is.not.ready.for.the.desktop.current.html