Lin Yaoyao complained in the letter, saying it doesn't matter that they're sorceresses, since they're on the Evil Path. Sorceress or not, whatever, their foundation is the Evil Path anyway. Enchantress?
In other worlds, it's no big deal; she specifically wrote in the letter that it's okay to be Zheng Yichen's little enchantress. In some worlds, righteous people even enjoy this vibe...
But in this world, being labeled an enchantress carries heavier connotations of insult.
It's not that being called an enchantress stops the evil from causing trouble; on the contrary, it brings more trouble. Sorceresses on the Evil Path practice magic power, and their bottom line isn't necessarily low. On the Evil Path, an enchantress's bottom line doesn't need to be mentioned.
In that world, being called an enchantress is akin to being cursed as a whore. No evil faction, no matter its rank, would miss a chance to cause trouble, not to mention those young heroic figures who crave fame.