Why do we seem so unwilling to accept the idea that the reason WotC is creating a new edition because it is keeping some people employed, they'll sell a bunch of product, and they'll make some money? Then, when the products they produce past that are not making the kind of money needed to keep people employed, they'll create another new edition in order to keep people employed, they'll sell a bunch of product, and they'll make some more money?
It seems like heaps of people keep trying to put some altruistic spin on all of this, where WotC is attempting to "save tabletop gaming" or "enlarge the playerbase" or "create a game that will unite all the fans" or other such platitudes.
Believe it or not... perhaps WotC is really much more mercenary in these endeavors than it seems people are willing to think? And that the company as a whole don't really care that they annoyed a bunch of players (who went on to switch to Pathfinder), because they still sold quite enough 4E books and DDI subscriptions to do what they needed... which was keep people employed, sell some product, and make some money? And if/when DDN gets released and annoy a bunch of players (who decide to stick with 4E), they still won't care because they still will see enough sales to keep people employed, sell some product, and make some money.
WotC is a business. And their business is making money. And for all we know... their desire to "do right by the game and by the fans" (as we all seem to want to put this identity onto them) only goes so far as long as it helps them keep people employed, sell a bunch of product, and make some money.