I get that Fae'run has racial abilities built into its design, but ya'll real in here trying to defend indoctrinated, active brainwashing and racism.
Lae'zel is your weak of ego, racist uncle; everything different offends her, and any evidence that she is wrong must be conspiracy. Even when faced with everything Vlaakith is doing wrong, you're met with a series of mental gymnastics: "No, it must be the Doctor!" "Well it has to be THIS Creche, they're lying about Vlaakith's wishes!"
Even when you finally get through to her and she agrees to turn on Vlaakith, she spends the entire next act droning on about her new favorite religious figure/political leader. She's functionally incapable of living for anyone other than a perceived god-king, and I'm shocked that doesn't genuinely disgust more people.