There’s no indication whatsoever that Darcy is at all progressive or forward-thinking. He’s talking purely about women being required to have read enough in order to count as ‘accomplished’ , not because they are in any way scholarly or academically-minded.
Mary Bennet, Austen tells us, ‘in consequence of being the only plain one in the family, worked hard for knowledge and accomplishments’ — she’s not particularly academically-minded, either, any more than her sisters, and we’re told she has neither ‘genius nor taste’, but she knows she can’t compete in terms of attractiveness so she works harder at music and other accomplishments to make up for it.
At the end of the novel, when the others have all left home, she spends far more time mixing with society than pursuing accomplishments because her mother won’t receive or pay visits alone, but Mr Bennet thinks she actually enjoys it once she’s not getting continual comparisons between her plainness and her pretty sisters.
(I’ve always wondered why, while Kitty spends most of her time living with Jane and Elizabeth after the end of the novel, why Mary doesn’t seem to? J and E might not want to leave their mother entirely alone, but surely poor Mary could occasionally have stayed with them while Kitty was at Longbourn, rather than being stuck with being the dutiful spinster daughter at home? )