I would like to make one general suggestion. If someone says something that doesn't seem to make sense to you, assume that
you have misunderstood something rather than assume they have. If after giving them all the benefit of the doubt and sincerely trying to understand their point you still disagree with them -- after making sure you have understood it completely -- only then can you truly argue with their position. Otherwise you're arguing with your own ungenerous notion of ideas that you
believe are held by other people (who you happen to disapprove of for other reasons).
Think of it this way: if the other side are truly idiots, then arguing with them is no fun. So, even if they are idiots, even pretending that they're not and giving their arguments a more serious quality than they actually possess would only make everything more interesting, and serve to better define your own views better.
Doing the opposite makes sticking to your guns easy, but not for a very good argument (nor for polishing and pondering your own ideas).
As you have no clue as to what feminists truly claim -- nor, it would appear, any desire to find out -- all of your inputs on the subject are irrelevant. I have said it many times before and I will say it again -- if any of your discussions of feminism does not mention the word power, then you can be absolutely, positively, 100% certain that you have misunderstood its views. A feminist like me sees your text, looks for the word "power", sees that it's missing, and can immediately tell that you're not even in the right discussion. To me, your comments read like "no it isn't red! it's square!"
That someone chooses to analyze a dynamics in the context of power rather than objective reality does not mean that they do not believe in objective reality. It's like discussing an object's color rather than its shape. Yes, I agree, the texts may sometimes be confusing, but none of the various feminist theories are for beginners, and they assume some previous knowledge. There are good reasons to reject feminist epistemology, but they are not the ones you mentioned, and you couldn't have given good ones because you're not interested in the actual argument (again, if the word power doesn't come into play then you can be sure you missed something crucial).
So do the following exercise: take the word power (in its social sense) -- and it doesn't even matter how you think others define it; just give it your own best definition, but make it a good one -- and then argue why power may be relevant in epistemology, and try to do a good job at it. Pretend it's debate club and you've been assigned to argue something you disagree with, but are determined to win nonetheless. I can guarantee that the argument you will have come up with will be much, much closer to the actual one made by feminist epistemologist than what you currently believe their argument is.
I really hope you do it, because that would make your arguments against feminism have real value, and would make arguing with you actually worthwhile. As the stand, your comments sound to me like, “so I heard those ‘physicists’ claim that everything in the universe is made of potatoes, but that can’t be true, because water doesn’t taste like potatoes, so they must be stupid”. It’s like, how do you even respond to that? If an argument sounds so absurd to you that it couldn’t have possibly been made by anyone with a brain, it is safe to assume you have misunderstood what it is, even if the misunderstanding is completely the other guy’s fault. I cannot claim that we feminists are great at communicating our ideas.