KDE users are disillusioned, enraged, etc. The different free software projects can learn a lot from each others' code, and everyone benefits. It's all too easy to get caught up in the eye candy, or the sort of low-level technical stuff that hackers get off on. Don't forget that most normal people don't run desktops for the sake of it. They run desktops so that they can run applications.
Window managers are already one of the most stable and complete components.
I guess I misunderstood. I see your point. We definitely need polish, but we need it in everything, not just in desktop-specific software. With enough help from halfway decent hackers, polish will come. The following comments are owned by whoever posted them.