Imagine transcription: An image of Light Yagami, Misa Amane, and L from Death Note on a fiery background. The caption reads: "Did you know, in the anime 'Death Note' for copyright reasons, the milk has to be spelt 'MLK' on the cartons? Google 'MLK Death Note' to find out more!". End transcription.
It's so people fear him, not to hide the truth.