I think you, too, have noticed, that, as time goes on, people are centering more on man as an object of fear.

Think of the latest two Batman movies. In both, the main characters have never been as human as prior. I think same applies to almost every horror movie or video game.
Humans seem to be more frightened of their fellow man, or, at least, a humanoid. In nearly every horror story it's either that you find your loved ones killed by your neighbours and you are left for dessert, or that it was actually you who did all those gruesome things. Or you were just imagining it, and you cannot decide, what's worse, when you really kill someone, or when you think you have killed someone and could swear that it happened.
In every latest horror story/movie/game, a humanoid is both a protagonist and antagonist, isn't that so? It's either that your enemy is you, your fellow man, or something that *was* your fellow man. Zombie movies come to mind. After all, they are quite popular lately, and, whoopidy, almost every malefactor there was once a human.
The question is why?
Why are we scared of ourselves?