Heh.
Yeah my website is down >_<
Easiest way to delete a profile is to SHUT DOWN the shard, delete the .skp file that you don't want, and restart. Make sure any items using that profile are set to something different or deleted, though.
Copy protection would take a password and some random vital stats from your shard, and generate a hash key. You could regenerate it if necessary, or you can start the shard and turn off protection for a given profile, then re-save it to port it to a different shard. Probably will work in part off the IP and port from serverlist.cs, with a couple of other things.
Anywhat, the purpose would be to keep other shards from stealing carefully tweaked profiles.