This guy almost apologizes for his shadow, but among his weasel words, he manages to actually explain r/K in terms of human behavior without calling up ideas of Social Darwinism that you seem to be channeling.
Do Fathers Matter: What Science is Telling Us About the Parent We’ve Overlooked.
This guy is from the Left, but manages to cover all of the bases and put paid to the tropes of Feminist Dogma just the same.
SF & NF types will exist as long as humanity and no.. they will not self-select out of the breeding pool because these are emergent or epigenetic aspects. Read the above book. It explains this in terms of the current science rather than the flawed version Molyneux (who is a good guy and fairly reliable) is sharing. SJW is a thought process not a biology. Its like saying people who are interested in Politics have this or that characteristic. The whole concept is lame. SJW is a product of the American School System and our current POP culture that rewards these behaviors.