New installation ZFS /zroot mountpoint

Hi, I am very new to FreeBSD.
Installed the default Auto-ZFS (GPT+UEFI).
I see there is a mountpoint for zroot dataset as itself to /zroot and canmount is on.
Empty folder.
Is there a reason for that? Why it is not set to none?
Thanks.
 
You have normally
zroot
zroot has no canmount off.
zroot/ROOT
zroot/ROOT has no canmount off.
zroot/ROOT/default
zroot/ROOT/default has canmount legacy.

Meaning these 3 datasets have no mountpoint.

After booting zroot/ROOT/default is mounted as /

You can do this manually.
Not with "zfs mount" but with
"mount -t zfs"

For instance,
mount -t zfs zroot/ROOT/default /mnt/myroot
 
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