There will still be kids slipping through. They also say it themselves:
Too often in politics it becomes an either-or proposition. Gun control or mental health. Our research says that none of these solutions is perfect on its own. We have to do multiple things at one time and put them together as a comprehensive package. People have to be comfortable with complexity and that’s not always easy.
There will still be kids slipping through. They also say it themselves:
Indeed.
So, what’s more effective?
Reducing the scope of those seeking to commit such atrocities to a small fraction of those now, or hoping for improvement via symptom whack-a-mole?