The belief among some of the technical staff is that this is too much
- it would enable a user to give control of their folder to another user.
What is their specific concern about a user doing that with their own files?
If you're comfortable with giving the users Full Control of their own files and folders then I don't personally see a problem with it.
Assuming you have a linux login user account bill, you have installed samba. If you are running SELinux then there are a number of other commands you will need to execute.
Also, make sure you are not sharing smb to the world, your router or firewall should block port 137, 139, 445.
# Block the outside world from your server's smb shares
# assuming your ...
You could, of course, remove your connection by doing
net use \\somemachine\someshare /d
But you probably want to re-connect eventually too. Furthermore, if you have cached credentials to the network share, then when you re-establish the connection you may find yourself fighting one of these errors:
System error 1272 has occurred.
You can't access ...