I was mostly being a bit circumspect, and a bit tongue in cheek.
But yeah, the things to keep in mind with this are...
A) In-Character knowledge. Most characters don't know anything about the Desolation Angels, and what they might have heard are little more than rumors. And lets face it, in Chicago? Everyone and everything is rumored to be Bug Spirits.
B) Feral Cities is the last bit of Chicago we've really had. It takes place in 2071. So it's been 5-6 years in game time since any of that data was relevant. Which is a lifetime in the shadows (sometimes literally).
C) The current plot line has it that the Mayor of Chicago and the Governor of Illinois have declared Chicago bug free, and are actively working to reclaim the Containment Zone, trying to negate the "Feral" status of the city. Part of the plot involves a "land rush", as corps and other individuals attempt to "prove" ownership of land in the CZ (and after Bug City
and Crash 2.0, it's not always hard to fake, and is the subject of more than a few Shadowruns). After that, Chicago plans to sell off any unclaimed land dirt cheap, and everyone has a limited amount of time then to clear the land and start rebuilding downtown. All so that they can get Chicago 2.0 up and running.

D) Outside of a couple rogue bug spirits, in 9 adventures now there hasn't been any bug activity in Chicago.
E) Becky 99, the new leader of the Deso Angels, appears to be a powerful Rat Shaman. She defeated the former leaders and drastically changed the way the DA's operate in the Containment Zone. They've been very community minded, and have been actively helping and working with several of the larger communities in the Zone.
F) Missions is designed to play out something like a TV season. So beyond the players, you have a set group of NPCs who play a very active role in the adventures. A couple of the DA's, including Becky 99, play large roles in several adventures and Becky herself is a Ms. Johnson a few times. Being what these adventures are, you kinda need to embrace the concept and role with it, or avoid them altogether. And trust that as writers and designers, we're not going to completely screw you over. Because that's no fun.
Well, ok, it's fun in moderation, but you need to do it in a way that the players will enjoy and will make a good story and keep them coming back, not ina way that makes them walk away from the table.
But at the end of the day, yeah... That's what it is and where it is.