'Defines' is a strong word that I would dispute. But 'influences' I will grant. That, however, is not where our approaches to the topic seems to differ most, since influence does not automatically a genre game make.
I'm not sure we have the same understanding of what is meant by 'values' violence. GURPS certainly does not magically make your application of violence result in *solving* a problem, it merely has a subsystem modelling violent engagements. Once the dust settles, a problem may be solved or made worse, or both, depending on other factors. Which seems to be at least vaguely simila…