> The aggregate of all these fees (plus Netflix, Amazon, etc) will likely approach or exceed the cost of a typical cable subscription.
The single-service cost of any one of the most popular services will likely approach or exceed the cost of a typical cable subscription while providing far less (but more focussed) content.
Unless one of those services is HBO Go. At least in my market, the cheapest cable package that includes HBO is extraordinarily expensive (often in the neighborhood of $120/mo). Of course, this makes some pretty thick assumptions about the cost of HBO Go as an over-the-top service.
The single-service cost of any one of the most popular services will likely approach or exceed the cost of a typical cable subscription while providing far less (but more focussed) content.