Getting whole teams involved in the process has been standard practice for UX designers for over a decade. For the most part, the problem has been getting non-U

Getting whole teams involved in the process has been standard practice for UX designers for over a decade. For the most part, the problem has been getting non-UX folks to care at all. What you describe sounds like a scenario where everyone wants to participate, but for some reason the UX designer refuses to collaborate? I've never heard of that happening, and it runs counter to my personal experience and pretty much every UX designer I've ever talked to, so my gut feeling is that you're reacting to a unique situation.