Heller Decision Prompts Illinois Reactions

In the wake of the Heller decision, the NRA filed suit against existing gun bans in the City of Chicago and three suburbs.  The Illinois State Rifle Association has also filed a court challenge to Chicago's gun ban:

One day after the Supreme Court voided the District of Columbia's handgun ban, the National Rifle Association on Friday filed suit in Chicago seeking the repeal of similar prohibitions in Chicago, Evanston, Morton Grove and Oak Park.

The NRA and Dr. Kathryn Tyler, Anthony Burton, Van F. Welton and Brett Benson of Chicago filed suit against the city and Mayor Daley, demanding the city's handgun ban be ruled null and void.

Meanwhile, Jesse Jackson is outraged...again.  He was joined by the controversial Reverend Michael Pfleger in denouncing Heller.  Not to make light of a tragedy, but I thought the use of a very recent shooting in Chicago as somehow supporting their cause was a bit strange:

Nearly 13 hours after her 16-year-old son was shot in a drive-by, Denise Dixon stood beside the Rev. Jesse Jackson, pleading for gun regulations in the wake of the controversial Supreme Court decision that could threaten Chicago's ban on handguns.

Doesn't the occurrence of a drive-by shooting, despite the existence of a gun ban, kind of undermine the dangers of overturning said ban?  This is exactly why, on a practical level, so many advocates of gun ownership scoff at the futility of efforts to restrict gun ownership.  It's a largely illusory proposition, as the kind of people who would pull something like a drive-by shooting aren't going to disclose, or otherwise surrender their guns.