In the same way that posts on some threads meander into other areas, I suppose we would be no worse off having a "Feminist" thread, in the same way we have News and Politics. BUT I would not welcome any sort of demarcation or necessity to be a card carrying feminist to contribute. If everyone is agreed on a topic or on a thread, where is the discussion. I have very mixed feelings about being classified in any way. "What is the feminist view" may be a million miles from "Now what is the ladies' take on this issue" but amounts to the same thing in the end.
Just as we are not all necessarily grannies or indeed grandparents of either gender, we are not all women, and we are not all of the same political persuasion.
We are, however, all people and the variety of views should be what makes GN stimulating.
So, on balance, No from me, but if you want one that wouldn't bother me at all, in the same way that I can choose whether or not to look at other topics, I remain free to choose to opt into a Feminist topic or thread or not.