Eh... I think right now no matter what they do, someone will find a way to turn it negative- so I can kind of see why they say nothing.
People harp on every word, and spend all day everyday looking for the most negative way to read it possible then broadcast that message far and wide everywhere they can find on the interwebs. There's just no way they have the manpower to keep up with that kind of insanity, so after a while truthiness takes over...
If they say nothing, there's nothing to spin, and everything people say is at least just conjecture.
Sure, you'll always have pessimists and complainars, just as much as that you have optimists and people who'll buy *anything* they'll publish. That's not even something specific to D&D or WotC.
Even so, wheter or not D&D is going strong or it's in good hands at WotC, it'll be an everlasting debate, it's been a bumpy ride and WotC, or indeed any company that survives on niche product and binding small but loyal amounts of customers needs to recognise that you cant thrive by just milling out product and expecting people to just pay for it.
That never works very well, and even moreso today, when neither the community is dependent on them, nor are they the only publisher on the tabletop market.
Keeping your market means you need to engage people, give people a reason to support you because you personalise the hobby, not just a reason to buy a couple of books because you are a no-face publisher who happends to sell something you want..for the time being.
To engage people, you need to have a dialoge, communicate *both* ways. Refusing to communicate in more than one direction or communicate at all is just a sign of a company culture that is increasingly focused inwards.
Ehh.. I dont think WotC is a bad company. But it just looks like a company run without focus.. like it's run by gamers with no bussiness sense, or bussiness men with no idea about gaming.
Or maybe both? With both groups / culture struggling to give direction? It would explain the see-saw kind of way WotC has been doing bussiness.