I can only wonder how much "over-playing" the game plays a role in the the antipathy many express towards the companions. Everything becomes accentuated when stuck for so long in an unhappy marriage of sorts.
Lae'zel is a fascist...which is fair, because she's githyanki.
Know your ideology. Fascism isn't about race, it's about the state and the collectivist view of the citizens belonging to it - like other socialist ideologies. She is a githyanki and as such, indoctrinated into a racial supremacist.