Feminism is (supposed to be) straight equality, just the handful of nut-jobs that get all of the media attention ruin that image.
I can see where you're mistake is because it's been often touted as such to the layperson, but feminism, as implied in the name, is squarely about women's rights.
That's fine to a degree,especially older strands of feminism because women really were in sore need of an equalising force, but taken to it's natural conclusion, it ultimately becomes a case of women's issues above all others.
The author of that article seems to agree with that notion, but it's not one I would personally subscribe to. For me I'd rather have a world where people are treated fairly, regardless of anything else. When the substance of their character is first and foremost the only measure by which an individual is weighed.
Ok. Sleeping with animals is a fetish (bestiality) even crushing them is a fetish. Does that make them legal? moral? or at the very least not disgusting? Your attempt to justify this man has fallen flat on it's face.
The key issue is consent.
Assuming everybody involved in a cuckolding consents, then it's fair game.
I can see where you're mistake is because it's been often touted as such to the layperson, but feminism, as implied in the name, is squarely about women's rights.
It is defined as: "The advocacy of women's rights on the ground of the equality of the sexes. " So, while it is about women's rights, if taken as far as to promote the rights for women above men, it is no longer feminism, by definition.