As Maxwell Smart might say, it's the old The Situation Is More Nuanced Than You Liberal Naifs Believe It Is trick.
Actually it's not. Without the moolah flowing from the Kochs or the loon whisperers at Fox News, there'd still be too much funding and exposure of rightwing extremists but there would be a lot less of it. And yes, I would be satisfied that things were flowing in a good direction if the Kochs and Fox were "beaten back."
One good thing about having Diane Ravitch on your side is that passes on her immunity to that trick.