Windows 2000 was such a major improvement over NT4 and of course 9x that yes, you're right, it was awesome, but it still had issues and in terms of device drivers future versions brought a lot of things that improved overall stability.
I think the best benefit of Windows 2000 was that the GUI was extremely coherent. Even in Windows 11 for some sub menu and options you sometimes have a Windows 2000 UI popping up out of nowhere.
26 years. You'd think they could update and unify the UI in 26 years. But they would have to care first.