Why surprised, this is typical operating procedure. A teaching is publicly debated and vigorously attacked/dissected/argued and the church after seeing the PR damage takes action to change/soften the official Church stance, and create an opportunity to retain or recruit new members.
Blacks in the priesthood.
Pictures of Christ in Churches (For as long as I was a Mormon you would only see Joseph Smith pictures in churches, this changed a few years ago).
There has been discussions that crosses are not bad and there was never a church teaching to prohibit them. Watch given time you will see them in the churches and on Mormons.