Mitt ran on a conservative platform. Whether you believe Mitt would govern as a conservative based on certain short comings in is political record is up to you.
Myself, after Fred left, Mitt was offering the next best platform.
About Mormonism, if you think it's a "cult", that's your problem. I don't think that it is.
So if Mormonism isn't a cult, what is, and on what basis?