Just a quick question (yes yes, there's an underlying theory)...
Where on an A330 are the radio antennae mounted?
The theory being that if they're mounted in the VS for height and lack of fuselage in the way, then the alternate law rudder movement theory and associated VS removal would account for why no radio messages post this incident.
Expanding on that thought: if the antenna (wherever it is) was removed from the radio for whatever reason for the crash, then that may explain the lack of radio messages. (e.g. if it's in a wing, and the wing falls off - voila - no radio).
(hey, aren't we due a bit of speculation about now?)