The article assumes that half a million customer will pay for 2 years. I don't get how allowing a customer to watch all episodes in 1 month will help recurring

The article assumes that half a million customer will pay for 2 years. I don't get how allowing a customer to watch all episodes in 1 month will help recurring revenues. Sure, people might get hooked on Netflix after that but I fear that past the initial "wow, Netflix can produce stuff too!" excitement, it will end up being just another show available.