[Happy Monkey]

Or bullying.
Or mental health infrastructure.
Or many other root cause discussions.

It think you'd be hard pressed to find a school shooting where coverage didn't include more than gun control.

Gun control is about harm reduction; it's a different topic from root causes. Both harm reduction and root causes should be addressed. You're never going to do well enough on root causes to prevent all incidents, and you're never going to reduce the damage from any incidents to the point where root causes are moot.