Mitt Romney being Mormon didn’t bother me; he is an honorable, patriotic American & I will always think him such. It was his lack of a firm set of conservative beliefs that strategically had more to do with his defeat than as an indicator as to how he would have governed as President.
And most Mormons aren’t aware of the cheesy details in the Book of Mormon & other founding documents.
Do most Mormons believe that blonde Hebrew tribes sailed westward to North America but were ultimately exterminated without a trace by darker skinned Jewish Indians? Do they all believe that G-d lives on a planet near star Kolob? Do they believe that a Mormon wife will not rise from the dead unless her husband calls her forth by name?
As for business dealings, I am told that Mormons do tend to be clannish.
My uncle was a very difficult man and hated a lot of people. But he had a Mormon neighbor boy pick bales and do other farm work for him. Lots of teenagers did that sort of thing for summer jobs. My aunt and uncle adored that kid and were so pleased to be invited to his wedding.
All that being said, president, I don’t know.