I can understand it. Even though it's dated now, it's still pretty ****ed up for there to be a game where mostly kids gather featuring someone pulling of another's head and spine off their body.
That being said, I think it's harmless. Kids who are going to be violent will be that way regardless of video games and the others won't. I was and still am into gory ****… but was always super non-violent outside of my love of it in games and films. When I see someone bleeding more than from just a normal cut IRL, I get queasy. And yeah, that is anecdotal, but there is also research that backs me up and lack of it for it having any effect.