Char Jackson wrote:

I just checked Windows Explorer in 10, 8.1, 7, and XP. None of them allowed
me to drag any of the entries in the left pane.

Well, on Win10 you can drag to re-order pinned items within the 'Quick
Access' subtree, but I agree that dragging within any other parts of the
tree pane is either disallowed, or just creates a shortcut.