It doesn't necessarily have to lead to any specific "I'm buying an Apple device because of Apple TV+" to be positive ROI marketing, the same way not all adverts

It doesn't necessarily have to lead to any specific "I'm buying an Apple device because of Apple TV+" to be positive ROI marketing, the same way not all adverts have to be aimed at direct conversion to be useful. Just getting Android users to have a daily reminder of "Apple makes something that is high quality and I enjoy" could be enough to influence future purchasing decisions even if those people wouldn't explicitly consider their enjoyment of Apple TV+ to be the reason they eventually bought an Apple device. (I have no reason to specifically believe that Apple TV+ is ROI-positive in this way, just pointing out that non-conversion brand awareness marketing is a huge part of the marketing world, with often very positive results.)