But in this case I think you're wrong. This thread is a totally legitimate discussion of a very interesting, detailed and inventive technical post and I find it hard to believe that an equally detailed and well-written post from a male perspective would not be received in much the same way.
I don't think you're being sexist, but you are being wrong about something in a way that an average internet commenter would find hard to distinguish from sexism (and the average internet commenter is not particularly capable of nuanced thought).