People don't have a problem with colorful, hot anime teens defeating [Dark Dragon and Evil Sorceror] to save the world. Or with short skirts. Or cute lolis. Or magical powers and anime tropes.
But when you make one of hot anime teens a girl in a modern plaid cap who shouts KYAAAAAAAAAAAAaaaa the Divine LOOKED AT ME, some people start to have a problem with that. Surely you see the difference, anons? You're not just playing dumb, are ya?