On one hand it makes sense that medieval european social relations imply, well, medieval european social relations and it makes sense to use your novel (or your show) to examine those.
On the other I can relate to many people wanting to see women in medieval fantasy to be represented in some other way than constant misery porn.
I haven’t seen this prequel because after the last season of GoT I don’t give a fuck, but yes the misogyny is crucial to both major plot points and multiple characters development.