On the one hand this reinforces that cordcutting will continue to be a second-class citizen in terms of first-run/same-season content, but on the other hand, making it easier for people to discover Six Feet Under is a great thing.
Well, the first few episodes at least. The show starts out awesome and gets progressively more depressing with no payoff episode after episode.
By the end I was watching out of sheer stubbornness.
HBO's business model is exclusivity, which in my opinion is anti-consumer.
Then don't watch.
If everyone without an HBO subscription refused to watch GOT then HBO might actually be inclined to re-examine their subscription options.
Market pressure is already pushing HBO towards a non-cable option, they're just moving into it kicking and screaming because the current way has been immensely profitable for them.
As for your Ferrari example, some day it will be trivially easy to 3D print a Ferrari and we'll be going through the same thing with physical items as we are going through with IP today.