I understood your question. I'm challenging your assumptions by asking you a different question: do you think God cares which church does the baptizing?
Mormonism is not even Christian so they aren't being baptised into Christianity.
Sez you.
"Sez you"
Outside of the Mormon cult itself, who says differently? Mormonism is something that Christianity agrees on. Greek Orthodox, the Vatican, Protestant churches, as diverse as we think they are, they do agree that Mormonism isn't Christian, but is a different religion of it's own.
God cares in whose "NAME" (make a mental note that this is a singular word describing God).
Mormons believe that the Father, Son, and Holy Ghost are three entirely separate gods.
When Jesus gave the commission to baptize (Matt. 28:18-19), He said: 18Then Jesus came to them and said, "All authority in heaven and on earth has been given to me. 19Therefore go and make disciples of all nations,baptizing them in the NAME of the Father and of the Son and of the Holy Spirit...
Mormons stress the division within the Trinity by insisting that their identities are more separated than united. Christians emphasis God's Unity; and this Unity is demonstrated by the singular NAME of the Father, Son, and Holy Spirit.