Good points. A counter however to the rank and file going out on a limb rather than it coming directly from LDS inc is I was very clearly, very specifically told while I was training for my LDS mission to deny, lie, twist, dissemble or confuse the situation when certain LDS doctrines, history and teachings came up.
Fishtank is right, LDS is a factory for lying.
I'm not an ex-Mormon, so I have no experience with this. For now, without suggesting that you are wrong, may I just say that I believe some LDS believe they are protecting the church as was done from the very beginning with not telling the truth to the public or the non-leader Mormon's about polygamy (and justified as protecting the church), all the way through Hinckley's dissembling on Larry King, and Dalin Oak's speech, and Boyd K. Packer's speech, and another twenty+ things I could site?
In recent days, I've pointed out that LDS.org rewrote its page on how polygamy ended (gradually versus "ENDED") with the 1890 Manifesto since May - whether coincidentally (and incorrectly), or because of Warren Jeffs, or because of Romney's candidacy. I've noted that MormonVoices.org has . . . well . . . blatantly lied about whether the issue of 'gods over planets' is taught at LDS.org. The two LDS experts, including the Assistant Dean of Theology at BYU lied to Maureen Down last year on the same topic. One said is was unwritten lore, yet we have all of the written quotes by Brigham Young and five (was it five?) other prophets AND the current copy of Gospel Principles, and the CES materials for LDS youth . . . and many other writings.
Let's just say people are taking Apostle Dalin Oaks at his words. If you lie to protect the LDS church or a LDS member, then it's not considered morally wrong. I assume he meant to draw a line; for some people, that line is blurred.