20 years ago you had to futz around to get Linux to run smoothly. Now it works out of the box with just about any hardware out there.
Windows is now like that, as evidenced by all the add-ons you’ve shown to make it usable.
No: rather in both cases the OS is "usable" (some Linux distros less assuredly) but both take getting "used to," while to enhance speed, efficiency, and capabilities then customization is needed - which in scope and debt is easier to quickly do with Windows. However, most users engage in customization for these reasons (such as was seen with the quick dominance of functionally handicapped (at the time, Chrome browser compared to Firefox at the time). Few use AutoHotKey, or remapp keys, nor care about the approx. 200 tweaks just one proven software utility can enable?