IIRC he self-identified as such. And what he said did fit with the definition in the lead of the English Wikipedia article on radical feminism.
And what he said did fit with the definition in the lead of the English Wikipedia article on radical feminism.
To emphasize, since I personally had several discussions with that user: What he said did fit, only fit, and exclusively fit the wikipedia article on radical feminism. Other lines of thought seemed to not even parse - like comments in a block of code. The specific worldview and paradigm typical to radical feminism were all that could possibly exist and be real in the world, and nothing else seemed to even remotely make sense to that user, based ...
If it's worth saying, but not worth its own post, even in Discussion, it goes here.