Earlier quoted context omitted.
You can switch away from it, you just can't do it with "apt-get install ". Try a distro that is designed for the WM you want to use. I agree that in an ideal world installing a new WM would "Just Work", but we don't live in that world. Try installing a new WM on OS X or Windows and see how well things go. Not trashing those operating systems, just pointing out that GNU/Linux does, indeed, offer more choice. The fact…
You have to be joking me. "A distro that is designed for the WM you want to use"? What does that even mean? That I have to have a special twm distro? Or an fvwm2 distribution? tvtwm was always my favorite window manager, but I seem to recall it needed some patches to really be perfect. Do I have to find somebody to build me my own distribution that has those patches? A Window Manager manages windows, like the name su…
Desktop environments are sometimes set up to handle sound or networking.
I agree that it's not a good design, but I don't think it's as ridiculous for a desktop environment to handle these things as it is for a window manager to do so.