I would say they are downplaying a little, but the data there alone is enough to make the Ward Radio video less a bombshell and more a bold faced lie.
As it shows:
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"Adam-God teachings were published in Church magazines,[71] hymnals,[72] sermons,[73] private gatherings,[74] and in teachings in the St. George Temple.[75]
Was this ever an "official" doctrine?
Sort of. Adam-God theory was publicly asserted by leaders of the Church. It was referred to as a "doctrine" by Brigham Young and other leaders,[76] and ideas were taught in the St. George Utah Temple in the "Lecture at the Veil"[77] which explained the creation, the exaltation of Adam and his descendants, Adam and Eve being the parents of our spirits, and the mission of Jesus as the Savior."
The real irony I see is that while in the last decade or so the Church themselves have become more honest in their representation of History, this in turn has produced a small but vocal movement among members pushing a newly sanitized revisionist history concerning many aspects of Church history. It's fascinating to watch.