But if her own happiness was her moral cause, she was indeed a good role model for her acolytes.
I think she lived out her atheistic premise with integrity. The children and the other woman be damned. They are merely symbols in the equation.
Most atheists apply their reductionism selectively. Rand was no different. In this case, she set aside traditional sexual morality for her benefit.
Otherwise, she was the most dogmatic of moralizers. Her dogmatic teaching touched upon every significant aspect of human life.