It seems to me that the PD is taking a pro active stance with OC. They are training the city workers about the legalities of OC and what to do. At least that is what I am getting from the story you referenced.....From the article.
It’s just to be on the safe side and to observe the person,” said Sgt. Mike Bagladi, who heads the sheriff’s Hudsonville unit. “Will we in any way threaten or intimidate them? Absolutely not. They have the right to carry in a public place.