Por eso lo mataron is a Spanish phrase that translates roughly as that is why they killed him, and online it circulates mainly as a short reaction clip rather than as part of a widely documented scene. Its appeal comes from its portability: the line needs no setup, works over almost any fail or bad decision, and is easy to recognise even for viewers who do not speak Spanish fluently. Meme editors reuse it as a closing verdict, which keeps it circulating in short-form videos and soundboards long after its first uploads.