To clarify why you're going to need to attack specific ideas:
Let's say person X (A third wave feminist) says that Y is right.
And let's say that person Y (Also a third wave feminist) says that Y is wrong.
And finally let's say that person Z (Also a third wave feminist) has no opinion.
Can they all be wrong at the same time? No. That's the problem with what you're trying to do. You need to narrow down the scope of what you're attacking from the collective beliefs of all third wave feminists to something more fundamental and arguable, like (just as an example, not taking a side) "Womens testimony should never be given priority over a mans testimony in a rape case"
There's rape culture, culture appropriation, political correctness, equal pay, radical, equity, empowerment, gender, the list goes on.
First four I understand, but what is "radical, equity, empowerment, gender?"