>let me know when [...] I can reliably install it on any hardware and expect it to work without issue.
Consider yourself told, then. Linux works OOTB on pretty much all hardware, often better than Windows since it ships with all of the necessary drivers.
>to claim it can replace Win10 for the average user is a stretch
Consider yourself told, then. Linux works OOTB on pretty much all hardware, often better than Windows since it ships with all of the necessary drivers.
>to claim it can replace Win10 for the average user is a stretch
The average user can handle KDE Plasma just fine.