Somehow I can not see this as a problem, let alone one that needs fixing. If you want to live in a more diverse culture feel free to move to one, it's a free country.
This "news story" reads more like a work of fiction, rather than a report events. "As they crossed the Longley Bridge . . ." was this "reporter" along for the ride or just just embellishing bits pulled from a police report, or some other orifice?
Isn't it wonderful how the state finally comes to it's senses and end the prohibition of fireworks only to have power hungry town leaders jump up an enact their own prohibitions.