The US has both problems: widespread availability of weapons and a high level of freedom to incite violence through spreading lies about groups. Which is why it sees much more of these incidents than countries which have similar levels of gun ownership.
The non-gun version of the problem is mass stabbings, which are less lethal.
Vs the US, where there are loopholes that you can use to avoid even a basic background check, and then use it for the very first time to shoot someone.
Second, you learn a certain respect for the firearm and are expected to observe strict safety rules when handling it. That gives you a kind of psychological flinch when you consider doing anything out of the norm with it.
The difference might be in what guns mean to Swiss people vs. the US.
A gun in the US has this "if the government becomes destructive of these ends we can start shooting" connotation. A gun is there for self defense. Someone doesn't get off your law, you use your gun.
In Switzerland the gun and the compulsory military service you mention is there for the people to protect their country and fellow countrymen. You are trained in defending your neighbor, who just stepped on your lawn against outside aggressors.
It’s like if someone said “I’m scared of someone bringing a semi-automatic weapon to my school and doing a mass shooting. My country has lax laws about guns and their proper use”. And then you said “in your case the problem is not guns, it’s your country”.
I mean, it’s technically true, but also unhelpful. Such ingrained laws are hard to change and you can be placed in danger for even trying.
Before someone decries the gun example as not being comparable, it is possible to live in a country with a monumental number of guns and not have mass murdering every day. It’s called Switzerland.
But let’s please stick to the subject of AI, which is what the thread is about. The gun example is the first analogy which came to mind, and analogies are never perfect, so it’s unproductive to nitpick the example. I don’t mean to shift the conversation from one contentious topic to another.