He totally ignored the business fundamentals of the entertainment industry. Content is king and content is an extremely capital-intensive business. No existing entertainment business is willing to cooperate on content distribution because that would severely reduce their margins.
Netflix's strategy is indeed the right strategy because they can create long-lasting IP and horizontally expand their business into other entertainment verticals.
Aggregation is by far the worst strategy in content distribution because you don't have bargaining power. As you start adding users to your platform, you will proportionally lose power to renegotiate licenses because IP owners will attribute your growth to their content. It's a zero-sum game.