Short insult clips like this became a staple of online soundboards and meme edits because they say a complete reaction in under a second of setup. The you're stupid line circulates without a single confirmed source clip attached to it, and is mostly shared as a standalone voice effect rather than a quote from a specific scene. Creators reuse it across gaming, reaction and comedy videos where a blunt, over the top put down is funnier than a longer rant, helping it stay in rotation as a generic fail sound.