Usually the latter is directed a male gender locked stories, I wonder if the reaction would be the same for female/nonbinary/etc. locked.
Donor seems to have gotten great reception despite being gender locked, so I think the ire is almost always directed at gender locked male stories.
Although I do think the audience plays a part in this.
Forum goers have a pattern of only having a problem with gender locked male stories, but are welcoming of other gender locked stories. Meanwhile, Steam players have problems for stories that aren’t gender choice or a locked to another gender besides male.