From the article:
Richwine said the company was unlicensed and in possession of fireworks that had counterfeit State Fire Marshal seals, as well as homemade explosives.
This company has been in business for a long time, how could they be unlicensed?
And at least two of the cities affected (effected?) have hired people to provide a laser light show. Is it the same company? I smell shenanigans...
Here are links showing at least two cities have switched to laser shows because of this:
Lynwood laser light show: http://lynwood.ca.us/galleries/join-lynwood-for-the-independence-day-laser-light-show/
Lancaster laser light show: https://www.cityoflancasterca.org/Home/Components/News/News/9789/