I think its just one of those funny little things that is meant to do exactly what it is doing.. getting people to talk about a game that came out years ago...
A point of a lot of speculation on my part when I first encountered it.. Ruto might have been Lying but the designers of the series are pretty good about making jokes and such pretty obvious so they might have made it more transparent if it was her. Maybe Ganondorf but at that point I'm not...