Anything other than Option 3 is ignorance, or prejudice as our "esteemed" afleitch so shows.
The fact that Mormonism gets discussed in such hallowed 'academic' terms even on this forum is a testament to how ingrained it is now. Even though it's founder was clearly a deluded, self aggrandizing sexual predator.
Putting slants aside, no freaking duh it's discussed in academic terms. As long as it has a very clear beginning, middle, and afterlife that suggests Godhood when the rest of the world at bests barely suggests an afterlife and/or simply calls death the end.
When there are details like that, that specific and different...then of course it will be discussed academically whether the hell you like the source or the ideas or not. Ideas are not killed, only put to rest for a time being.
What's next, scoff at the idea of civil disobedience just because Gandhi was racist? Question the effects of sending gifted speakers to foreign countries to peaceably settle relations just because the advocate was a Euro-centric segregationist?