User blog comment:Howling Darkness/Meruem: Good or Evil?/@comment-24768103-20140708151159

I was kind of thinking the same thing. In the end, he did turn out to be compassionate, but it still would have been dangerous to keep him alive. For example, if enough people made him mad, he could easily destroy all of mankind with one hand tied behind his back. Someone who can do that is just to big of a liability to trust.