Regarding IE itself: strongly disagree - marking most of new tech as "under consideration" is poor communication management at best - if they are not interested in sharing anything they should add another status. This is misleading.
As for Web Components, we're actively discussing the related specs with other browser vendors, and trying to approach the topic as appropriately as is possible.
We certainly desire to be open and up-front; if you can identify ways in which we can improve our side of the discussion, we would love to know.