“most people do not [care] about theology”
You are absolutely correct. Having worked for a Christian organization, I can tell you that most of their seminary students and graduates did not know much about the Bible, nor were able to take a definitive stand on the most basic subjects.
It’s a sign of the times we are in.
For the time will come when men will not endure sound doctrine but will surround themselves with teachers who will fill their itching ears with what they want to hear.
The seminaries are infested with humanists these days,
and humanists’ epistemology is that all knowledge comes from human reason, and therefore will reject the bible as the definitive Word of God.
It like that old Billy Joel song --- "It's all rock n roll to me"
To be fair to the Mormons, their founding religious events occurred less than 200 years ago, not 3000 years ago. So Mormon events are subjects of accurate historical records, thus very difficult to build up an hocus-pocus mystique about