The "academic" branch of feminism - like all academia - is safely removed from the real world and traffics mainly in the Andrea Dworkin "all heterosexual intercourse is rape" and Starhawk-style schools of radical feminism. This is a holdout from pre-'80s feminism and remains the intellectual vanguard of feminism but is a small niche among women.
As a former faculty of American Literature at at a research university, I can assure you that you have no idea what academic feminism is.
Critical theory, race studies, religious studies, psychoanalysis, film theory, subject spectator theory, semiotics, linguistics, cultural anthropology, and more are all well-understood by and -represented among the scholars and intellectuals who are recognized as feminists. Academic feminists analyze and consider the signs, systems of meaning, legal histories, social histories, cultural artifacts, popular culture, etc. etc, etc. insofar as they affect women and the people to whom women are connected, which would be every human being who has ever lived.
Feminism is multiple, not singular, and the best way to describe what drives feminists is the desire to see women—and the people and collectives to which those women are connected and by which they are constituted—to be empowered and autonomous rather than (as has historically been and, in many contexts, currently is the case) disenfranchised and subjugated.
Seriously, do yourself a favor and understand that movements that promote human welfare are good for everyone. People threatened by feminism don't understand feminism. Feminism is about making things better, flawed as some of its approaches may be.
Here's something old-school style that demonstrates some "academic" feminism from 1991: Donna Haraway's "A Cyborg Manfiesto". That's some old-school cultural anthropological feminism for you that is super awesome, fun, literate, and though-provoking.
Try it and see. Some of these people are smart and amazing. You might be surprised.
(As a straight male professor, it agonized me when young intelligent women would come to my survey on critical theory and proudly announce during our feminist section that "I am not a feminist." I am grateful to have had the opportunity to change some of these young persons' minds.)