Paul, I don't think anybody here from WI thinks they deserved a ticket.
If the line of reasoning (the complaint from the phone call) is the source for the disorderly conduct citations, they are going to have pretty hard time with it. Unless there was some other 911 call we haven't heard yet or something. The woman says at the end of the call "no problem" (paraphrasing).
If there was some sort of other complaint, they'd be focusing on that one instead.
On the other side of the coin, even after the cops left, the folks in the restaurant were curious, not frightened, there was the invitation to go back to Culvers after the Baraboo Picnic.
Depending on the details of how a DC charge is justified in court, these things may cause the DC tickets to go away.
====
One thing I think a lot of people have missed was mentioned at the picnic in Baraboo that may be important for some of the context, the driver of the car from where the woman called was mentioned to be retired LEO of some kind. He was feeding her details to tell the dispatcher "black t-shirt with white outline of State of Wisconsin", etc. (Anybody have more details on this?)
The initial phone call motivation then, may be more like "Gorramn hippies in Madison are at it again! [Cartman Voice]
Respect mah authoritah! [/Cartman Voice]" I.e that of a police officer that doesn't think that civilians should be allowed to have guns or whatever other emotional prejudices he's carrying around from his career caused the call. I realize not all LEOs are like that, but we have seen some pretty clear demonstrations over at that police forum thread about THIS forum recently, and it's a daily occurrence over at AR15.com.
The point being, the 911 call may not be the totality of the opinion that caused the phone call.