Overall rates of violence between humans are a fraction of what they were a century or more ago. Homicide rates in the US have been dropping steadily since the early 1990s and are now near record lows. Spree killings and school shootings are two unfortunate exceptions to this general trend.
The response to school shootings by the authorities has improved since Columbine, but we haven't made any real progress in prevention. Troubled young men have little difficulty flying under the radar before emerging with guns blazing.
A century or more ago we lived in a different time and world. We are supposed to become MORE civilized over time, not less, so I do not see that as a viable or even relevant comparison. 74 school shootings since Sandy Hook is not the sign of a less violent and more civilized nation.
Homicide rates may be overall down, but that is very relative to where you live. Chicago comes to mind. And schools in American Suburbs.
And I agree with you that we have made zero progress in regards to preventing spree killings. These people, kids even, are able to purchase, stockpile, and arm themselves to the teeth with weapons and ammo. Partly because, yes they go undetected, due to their White Privilege.(Almost ALL of these shooters are young white males of middle to affluent families)
No one suspects them. They are not perceived as "dangerous" or suspicious, or criminal to begin with.
Futher, it is part socialization. It is "patriotic" to like guns, to even fetishize them, to rant and rave like a crazy person that you will not be "disarmed". War and Military are glorified. Violence is glorified.
It is as American as Apple Pie. All of it.
A
well regulated Militia. Two words in the Constitution that Ammosexuals LOVE to ignore.
They read pretty clear to me.