Yes, I hear that chocolate, cheese and protecting the financial anonymity of the world's richest criminals tends to promote calmness.
Not quite right, so let me enlighten you. We have one of the highest standards of living in the world couple that with a general high average income and very little crime compared to other countrys.
For some reason I always hear that stupid argument that Switzerland has such a low crime rate because of the amount of guns in the civilian population. This is just BS tbh. When you have a good life and the basics are taken care off there is very little motivation to steal and commit crime.
I personally have a military grade SIG 550/II assault rifle (Full Auto for those who want to know) at home. I am a soldier in the swiss armed forces and as such per law I have my service weapon at home. This comes from the old military doctrine to have the whole country ready and armed in less then 24 hours in the case of war. Nowadays this doctrine is rather silly as our neighbours Germany, Austria, France and Italy have been living in peace for the last 65 years.
You don't need a weapon to kill someone, if you are trained like me you can do that just with your hands.
Personally for me it comes down to living circumstances and the higher amounts of anti-depressants. I am almost certain that all recent shootings like this were because these wackos were on some severe meds who skew ones perception of reality. And since most of America is on some form of drugs these days there are certainly gonna be more incidents like this.