What this is saying is that subscriptions are making more money for AOL overall than the other ventures are losing, so they are making profit above and beyond other losses (as opposed to breaking them even.)
It's a shorthand way for the writer to say that subscriptions are such a cash cow, it really doesn't matter what the other divisions are doing.
It's a shorthand way for the writer to say that subscriptions are such a cash cow, it really doesn't matter what the other divisions are doing.