The problem isn't hardware- guns.
The problem is software- criminals and gangs. And drugs.
This is just more talking-point, PC, touchy-feely blather for the faithful, who don't want to crack down on the crime problem.
You can flat outlaw guns, but as long as they are as easy to smuggle as drugs, you'll always have them.
I lived in Chicago 30 years ago. It was pretty nice. Daley is a freak.