I think what you are trying to express, in your own quixotic way, is that the phrase "murdered for taking a stroll" belies the complex causes of the murder. An

I think what you are trying to express, in your own quixotic way, is that the phrase "murdered for taking a stroll" belies the complex causes of the murder. And he's a "troll" because he justified this conversation-prompt with a genuine value-add