Jeff Atwood argues that the Login dialog should infer the username from the password: https://www.codinghorror.com/blog/archives/000413.html.
That reminded me that many user's of XP home don't have a password, which is even simpler. If you are cringing at the thought of a blank password; Uncringe. The blank password is better than you think. By default, an XP account with no password does not allow remote login. See https://blogs.msdn.com/aaron_margosis/archive/2004/6/17.aspx for details.