I'm with Flexor. What's to de-mystify? DMing involves a lot of brain-wracking, scut-work, and cramped hands from writing small so that you can be the participant most likely to be the target of perjorative attacks at the table. You work your fingers to the bone so that other people can show up at your house, drink your soda, eat your pizza, and have a good time at the expense of your hard work. Is that de-mystified enough for you?
That extra work is fun, not work.
If it's work, don't do it. No one is paying you to. You don't have to. If you're not having fun, stop. You don't need to be any game's martyr.
If it's fun, if you choose to do it, if you want to do it, you don't get extra brownie points for doing it.
And if you wouldn't play if you didn't do it, don't play. Life's to short to spend it doing things you don't particularly want to do unless you HAVE to do them. D&D is not one of those things that anyone should ever HAVE to do.
DMs are not special because they put in more work. That doesn't give them any special rights or privelege. They still have to do their job as a DM, which means "entertaining the players." They have their own toolset for that (which includes judgement powers), but they do not get put on a pedestal for it.
The players have to do their jobs, too, which means "obeying the DM's jdugements," in part. They don't get put on a pedestal for doing so, either. Nor are they somehow ranked less important or less worthy of a fair stake in the game than the DM.
IMHO, the game would only benefit from the DM becoming a role that EVERYONE at the table fills. Which is kind of the opposite of this "no one at the table fills it" idea that a DM-less session would take. To do that would require some things that I think WotC is currently looking at, like simplifying certain rules or rearranging stat blocks or little things that make the DM's job easier. Shifting some of the responsibility onto the player is a good trend for this. I think it is entirely a good thing to get the DM's off the high horse that the game has tended to put them upon.
The role of "lead storyteller" that a DM fills is still pretty nessecary for the game, I believe, though. Otherwise it's just a bad imitation of some other game (a board game, a videogame, a minis skirmish game, etc.) as far as I can tell.
