We may have liturgical and administrative differences but we share the exact same path to salvation and the same Christ. There is no "benefit of the doubt" because there is noting to doubt, we share the same message of God's Grace and the blessing of our various denominations authorities, not exactly the sign of warring factions...
Not hardly.
Christians believe Christ died for our sins. Mormons teach that man does all he can, and Christ makes up for any shortcomings.
Plus, to the Mormon mind, we are not saves, we are Gentiles.
Hardly the same viewing of God's grace.