How Subtitles Become Useless When a Character Starts Speaking a Made Up Alien Language

Animator Joel Haver, who imagined how NPCs acted when a disconnected controller kills the player and the subsequent waning enthusiasm for said game, demonstrated the uselessness of subtitles at times when a character starts speaking a made up alien language.

so you don’t think we’re supposed to be understanding what he’s saying right? …there we go subtitles.
[ALIEN LANGUAGE]
Well, that’s good that probably means we don’t need to be understanding this.