Noob question about Penelope (tutorial example) launchIntro object destroy

launchIntro is used in (and linked to) ControlMenu.js.
The question is where is launchIntro being destroyed?
Only see a function called "WaitUntilObjectDestroyed" but didnt see the actual destroy. Is it that all gameObject got destroyed automatically after loading?

Code:


// Kick off the launch intro and wait until it has finished
launchIntro.SetActiveRecursively( true );
yield WaitUntilObjectDestroyed( launchIntro );
displayBackground = true; // display a background image to...

Noob question about Penelope (tutorial example) launchIntro object destroy