Between social media, climate destabilization/inaction, and rampant gun violence in the US, I am not surprised.
https://www.brookings.edu/2022/04/21/mapping-gun-violence-a-...
Edit: Also, gun violence isn't rampant in the US? Compared to what? Certainly rampant compared to any peer society.
https://www.insider.com/number-of-mass-shootingsin-america-t...
There is no gun violence in the US. There is violent crime. There is murder. They are different things.
It's pretty clear we have a gun problem and for a long time.