Homebrew has its issues, but yes I also like the approach of the system and the packages I install living in two entirely separate worlds, with the system being

Homebrew has its issues, but yes I also like the approach of the system and the packages I install living in two entirely separate worlds, with the system being boring and stable and other packages lining up with whatever is currently shipping for Windows/macOS. The extra space consumed is negligible and well worth the turbulence reduction. Immutable distributions like Fedora Silverblue seem to lean in that direction, though I've never used them personally.