Even the Alliance investigated this point and confirmed that it was not bait set by the Cult of Evil God.
Moreover, during the purge, the elite members of the Moon Lord Association actually dwindled, sacrifice to the Evil God was indeed a dangerous undertaking, accidents were normal. Maybe due to various factors, they were given a glimmer of life.
Unfortunately, the little girl's parents were no longer to be found. No one knew if they had mutated into one of the moon demons, or if they had been sacrificed to Crescent Moon Lake. In any case, they vanished.
In the end, she refused the alliance-offered foster home, and journeyed alone to the Border Battlefield. Amidst life-and-death battles, she climbed the stairs sculpted from blood and flesh. Now, she has become a Beastmaster standing at the Radiant Moon Tier, defending one plot, at whom you and I both need to look up."
The underlying message was, she's perfectly fine and become a big shot now, don't nitpick too much.