This is correct.
I am unable to mount the cloud via powershell (see my other thread) so was happy when rclone browser mount worked.
As asdffdsa commented, "windows maintains two separate lists of mapped drives for a give username
mapped drives for command prompts with admin privileges
mapped drives for command prompts without admin privileges.
if you run a rclone mount with admin privileges.
then windows explorer, which runs without admin privileges, will not see the mount.
one workaround is to mount to a folder, not a dir, tho that is not what you want."
By your suggestion, maybe if I can work out mounting via powershell, I won't have this problem with appdata, which also makes sense.