Of course they care. It's just that their revenue from botters doesn't come from gamecards or in general maintaining your accounts. It comes from banning the shit out of us. New accounts, new expansions, we pay. And their numbers grow. They say they have xx million accounts. Not active accounts
They would ban even legit players in a jiff if they could. They know, though, that they won't be coming back. Botters do ... in numbers!