Alias, you called two male members here rapists for liking catfights. You treated Foxyanne derisively for saying she tried to work with her husband's interests. You call men who like catfights a hideously offensive word to the mentally challenged. I am not sure how any person is supposed to get that you don't either hate this fetish with a passion or are in fact trolling this thread. Personally I think you come across more like a person who hates feminism doing a bad parody of a feminist. As a woman I find you embarrassing and shrill.
Lumberjack has responded to you respectfully. You hurl childish abuse back. There was a serious, thoughtful and until you showed, respectful discussion occurring, a rare thing at times on this site. I think it should be allowed to return to that. So behave like an adult or don't bother to return.
As for reasons why women may not have an interest, well there are several possible reasons:
1. It is seen as trashy. let's face it, the catfight fetish is related strongly with substance wrestling in the 70's and 80's, not a high point of class. Same with things like soap opera catfights. It is like watching Paris Hilton or the Kardasians. Sure we will WATCH the behaviour but not DO it. Also the image of the men who indulged in watching the past time was never the best. So there is quite the sleaze factor attached to it in the mainstream.
2. "But I can't fight! " Most women have likely not been in a fight before. I spent my time in a mainly male household, attached to a bully and several violent women growing up so I am hardly typical. Plus some of my early efforts to do catfight related cyber was more efficient than erotic

So you are likely going to have someone who is feeling like she has no clue what she should do and is very self conscious doing so. Or feels silly discussing it.
3. "So you want to see me beat up? Or beating someone else up? " Self explanatory really. You are admitting a sexual desire based on violence. And as women we are socialized to avoid that and to be leery when a man suggests it. Male sexual violence tends to not end well for women, especially in popular culture. This might be one of the hardest stigmas to overcome. I would suggest understanding what YOU get from the fetish before hand so you don't end up looking like Chuck Traynor by the end of the day because you stumble around the topic too much. If you seem evasive, the worst case may be assumed.
4. The body contact. If you are into the lots of female body contact aspect of the fetish, your SO might feel that's a little too lesbian for her liking. In real life, I despise being touched. A suggestion I try oil wrestling would go badly. Some people aren't body contact people so that could be an obstacle.You still might be able to get her to discuss it but if she feels strongly enough, that may be enough of a turn off to shut down the subject.
5. You need to involve another woman in this. Which brings questions, insecurities etc.. Any time you bring another person into your sex life the obvious question is why. The best bet might be to keep the other woman in your fantasies as a celebrity (not a threat to steal you away) or some fictional woman. If you choose to discuss your fantasy with your wife and your recently divorced neighbor, you are on your own

It gets even weirder if you choose to introduce a whole couple to the equation. The old the wives fight while the men watch makes you seem like you want to be swingers. Now you seem like you want to share her with another man.
I think the bigger obstacles to overcome is to convince her you are not wanting her to be harmed or do harm to someone. Or are looking to replace her or have to fight for the privilege to be with you. Forgive me if I rambled a bit, it is late at night and I had a few points to cover
