Apple isn’t exactly hurting for funding. Lol. Apple feels pressure to please Wall Street with continued growth. This won’t help that given Apple is over a billion in the hole already on video content. It’ll take years to recoup that if ever. Apple will struggle getting subs especially given how mismanaged they’ve been all along in this particular area.
It depends what kind of deals and what kind of content they can come up with. They already have a huge fan base that's largely engrossed in their ecosystem, all they need to do is convert a percentage of that to subscribers.
If the quality is there then they could achieve this and Apple knows the importance of quality so they have a shot. A billion nowadays is annual revenue for a lot of larger companies so they can definitely do it fairly quickly. Granted that is across many platforms and services/products, but still. The question is will they sign the right deals and get good enough content to compete and grow in this area.
Like others have said here before, Apple is rarely first to the game, but they find a way to do it best and that's what allows them to make profit. We'll see what happens.