Which is why, if we go down that route, the default, i.e. When left blank, would be the same as how it works now.
I think the currently available options are satisfactory for most users, with the one exception of the same first name in a room issue, and the desire to only have a single name. The latter though, which was the original topic of this thread, seems to be settled in that, sorry folks, for everyone’s sanity, you need to pick a surname, or as many others do, an epithet.