Because she keeps saying how she "knows how he feels" because "nobody supports or talk with him" etc. That, if anything, is hypocrisy - being shy is fine, but there are limits. People only like her because of her shyness, they're not looking further than that.
But what do I know - I gave up on Naruto once the fillers started pouring in. Gave it a chance in shippuuden whatever, but shit sucked. She might have changed, but somehow I doubt it.