We have been no more desensitised by arcade games than what we have been in the real world. We have had almost 20 years of constant gore in the news and documentaries whether in written form or visually.
It's just a coincidence that body cams give the same view as shoot em up games as body cams...
Mental illness and religion is a very dangerous mix in my view.
You cannot tell me that when the Quran teaches Muslims to treat non Muslims like cattle, that it isn't a problem for a young Muslim with mental health issues?