It is necessary for Mormons to be so called “good, decent, hard-working Americans with strong family values”, because they must work for their salvation, with the men also working toward godhood.
He helped Mormons because he knew about their needs from church. That’s the same way most Christians hear about people in need.
I’ve known lots of Mormons. Only a few did I find repugnant. They didn’t practice any religion except narcissism. Every true blood practicing Mormon I ever knew lived their lives the way Jesus taught. I’ve known many who profess to be Christians who don’t. obama is one of them.