Heteronormative != heterosexual
I fail to see any issue with the post (like fucking everyone associates topping with dom that doesn’t mean it has to be, and the image works), but it’s decidedly a complaint about social norms rather than a group. Even if I think it’s not a valid complaint because wtf does it have to do with heteronormativity.
Hmm, as someone relatively deep into lgbtq issues (though particularly trans issues), I’d say the term itself is perhaps a bit misleading. The way I understand it and see it used is that it’s about heterosexuality and also gender norms within that traditional heterosexual relationship (so some people think that even in a homosexual relationship there’s always “a man” (dominant) and “a woman” (submissive)).
In that sense (to directly relate to the post) a dominant woman in a relationship with a submissive man would actually go against heteronormativity a bit.
On second thought I guess I can see the relation though, in the sense that the traditional “man is dominant in a hetero relationship” combined with the fact that by default most men probably mostly top could make someone see “topping is considered dominant” as reinforcing those traditional relationship norms. Still feels very overreactive by the original commenter but eh.