Earlier quoted context omitted.
> I think saying that "your brain actively practices killing" is overstating it. It sure sounds good, but it's not even close to reality. To support your point a little bit, some video game scholars, like Espen Aarseth, don't buy into the idea what the representations provide any relevancy: [1]: "The "royal" theme of the traditional pieces is all but irrelevant to our understanding of chess. Likewise, the dimensions…
If that were true, why would gamers prefer games with better graphics? Why does Valve make a fortune selling virtual hats if no one cares how their character looks?
Because of the perceived social status conferred on them for having a rare or "cool" hat. It has nothing to do with the narrative vs mechanic question.