Kirupa | Title (duplicate) background tutorial - a depth question

:book:This tutorial looked like what I was seeking - but it seems to have a flaw?;

Kirupa | Title (duplicate) background tutorial

It is great for showing me how to create the tile but I how I don’t see how it could used as a “background” as it creates the tile over the top of other elements in the movie (because of getNextHighestDepth()?).

Am I missing something?