>>281282276 (OP)-Frieren is the most vehement demon slayer in existence, and believes wholeheartedly that demons have 0 irredeemable qualities
- When fighting Macht, she admits that the small possibility exists that a demon can overcome their biological wiring, but isn't willing to consider the sacrifice required.
-Yet when teaching Fern/Stark, she constantly alludes to Himmel, who is on record stating that anything is possible, even overcoming one's biological limitations no matter the difficulty (aka him not being the destined hero). It's clear what the writer is TELLING the readers, but there are plenty enough examples contradicting those words that present significant issues with the stories theming that bring up doubts about the story's quality.
The criticism is that despite constantly TELLING readers that demons are verbatim 'pure evil' and 'cannot change their nature' through multiple avenues including Frieren, narrative voices, and even the demons themselves, we are shown multiple examples contradicting this. This is a moral dilemma specifically because Frieren's argument for eradicating demons is predicated on the fact that demons are pure evil/irredeemable. The argument is that if demons are in fact not pure evil (which we have reasons and evidence to doubt) then it is a problematic philosophy that the story is presenting as justice, with troubling real world implications given how popular Frieren is. It's not an argument that humans should seek to coexist with demons, nor an argument about how demons are actually good people, it's a stance that eradication of a race that isn't irredeemable, even if they're mostly morally reprehensible, should be met with disquiet instead of fanfare.