The folly of using feminist theory to analyze really anything is that you will end up being so wrong that you will assign the behaviors of your enemies to your own allies. To anyone else, the premise of this is immediately ridiculous, but with feminist theory anything is possible
I would like to expand on how cuckolding as a sexual practice, on all it's dynamics, it's not about two men sharing a woman but about a man using a woman's body as a vehicle to have sex with another man. But we're not ready to discuss patriarchal homoerotism without homophobia.