It's about Apple and anyone they consider a (potential or active) competitor. As far as customers come into it, Apple wants to be able to milk them dry and keep

It's about Apple and anyone they consider a (potential or active) competitor. As far as customers come into it, Apple wants to be able to milk them dry and keep them from using anyone who might provide a similar or better service than their own, as well as take over any profitable channels they don't already have support for. It's 1990s Microsoft on a mobile phone.