Yes, I think Wallace's post flies in the face of all those people who say they 'choose' to do it, freely and willingly.
I mean, yes, of course they do choose to do it and probably do prefer it.
But. That choice does come from a place of huge social pressure. The choice not to de-hair, as in not to de-hair at all, is a massive political statement; one that most women are simply not willing to make.
And if they do, they're seen as weird - 'other' even. Not normal.
I prefer to be relatively hairless. But I for one am fully willing to admit that my preference comes from internalised experiences as eccentrica says, and from social pressure. I just do not have the guts to go to the beach, say, with hairy legs.
Another example. I work in the public sector. 
In policy. Lots and lots of very intelligent women who don't really give too much of a priority to make-up and appearances. I am a feminist and have been for as long as I can think. I embrace the label fully - and yet even I notice things and have to remind myself not to judge. Things like hairy upper lips. No make-up, untended brows.
If I notice these things (no make-up, body hair, etc) as a feminist - things which I 100% fully and utterly support and approve of, even if I don't do them myself - then you can bet your last dollar that other people, non-feminists and anti-feminists notice them and do judge because we've been conditioned, brain-washed, whatever to.
Wallace's post sums this up really, really well.