The thing is... I don't care, and I'm sure the original Win 3.1 commenter doesn't care either. I am old enough to have experienced Win 3.1 (and making it slower with the "magic-whatever" software that made animated icons, anyone remember their rabbit/hat logo?).

Aaaanyway: Give me a "chrooted/jailed" environment where I have all my "dumb", "no internet" connection apps (Jails are 2000 technology, chroot is older), and be done with it, so that if anyone hacks my machine or if I quadruple-click on that virus it is only going to affect the chroot environment and doesn't see anything else.

Truth is, a lot of contemporary commercial OS sluggishness comes from ""features"" that are either some kind of telemetry, or just "security" preventing me (the user) from doing things the the company does not want me to do (like the asinine OSX "feature" of disabling write access to certain parts of MY hard disk by default)