Earlier quoted context omitted.
> In a hotel (=on Mac), everything is stylish and cared for, but you have very little freedom to change things. I've heard this over and over — that Macs are locked-down, uncustomisable machines — and I don't agree with it at all. I use replacements for almost all the built-in apps. I use a custom launcher. My editor config Git repo is approaching ten years old, and my shell config Git repo is almost eight. There are…
There's no real package manager. You can't rebuild your kernel. You can't upgrade your hardware. Once your HW is unsupported by Apple you're stuck with an old OS that is unsupported by third party software as well.
I like Homebrew -- is it not adequate enough for your needs?