Because Pandoras box is opened and there is no closing it. Criminals will get access to firearms even if they’ve all been banned. Gun control logic is like giving a bandaid to someone with cancer.
We need to fix the why, not the how of our violence issue.
We need to focus on social programs, single payer healthcare, our education system, prison and police reform, and ending the war on drugs. Just these things alone would drop our violence by 100xs what another useless gun control bill would do.