This is being considered. The current intention is to add a superadmin role, making the default admin account just a member of that role.
This will allow you to create new superadmin accounts, capable of logging into the shell, adding ssh keys, and any other features limited currently to the named admin account.
Second, you will be able to disable or demote the named admin account.MA commented
I am really shocked that these do not seem to possible currently with the XG. Please correct me if I'm wrong.
1. Super admin username cannot be changed
2. Super admin account cannot be disabled
3. 2FA cannot be enabled for the super admin account
4. Email alerts for admin logins cannot be created (I had this on my SG210 UTM)