Yes, her aura comes from completely dominating the Champion and #3 Ranked fighter in the division in such a fashion that neither has fought since.
You're just checking off boxes on the Stereotypical Sherdog Hater requirement list.
[X] Discredit dominant wins over top ranked fighters because the opponents used to fight a weight class below, so they will forever belong to that lower weight class. (Even if they held the belt in the higher weight class)
[X] Call fans of a female fighter white knights. (I bet we're all "beta cucks" too, because that's what real Alpha men call people on the internet these days, right?)