It's still stupid 'cause now everybody knows to be on the lookout for a socker. Espcially Raz.
And it is socking, because your other username still exists, it's just not allowed to log on. There is no way that I know of to actually "delete" a member, but they can be banned so that they can't log on. Socking is merely the practice of creating multiple usernames, regardless of the fate of your last one.