A group of people is unfairly attacked simply for existing. They gave their plight a name so that it's easier to discuss and eventually overcome. Making light of their terminology is a form of misogynoir. You might not have intended it, but you're poking fun at a term created by and for black women that's on the cusp of entering the vernacular. It's "worst words of 2016" all over again.
There’s absolutely nothing humorous about misogyny laced racism. ... I don’t expect anyone who isn’t a black woman to completely get it (I try my best and still learn new things regularly), but the least you can do is take it seriously and inform yourself as much as possible. Please refrain from shit talking topics you don’t understand.
A graduate student cleverly created a portmanteau after considering some terrible alternatives. Six years later Katy Perry used it in a tweet about Leslie Jones which got it traction outside obscure social science circles for a week. Both before and after the plight existed, irregardless of it having a compact, creative and illustrative term to toss around in explainers.
The conflation of an inner group use term and the actual actions it intends to describe is both problematic and bad optics to say the least. Leveling that as the intent seems to be somewhat prejudicial in nature.
In any case, I agreed with Bailey. Misogynoir is amusingly perfect, sistagyny is comparatively silly.