Utter bullshit. See how well that policy has worked with drugs.By then you would have limited the issue of gun abusing to a selected part of society and you can work your way to start cleaning up the mess.
Add heavy handed sanctions to whoever is caught carrying a gun and you'll see how the "criminals" would start NOT carrying.
No?Regulations, perfect. Exactly what we need. That might mean banning some kind of firearms would it not?