Why did anyone ever believe Facebook was any kind of exception to the general flow? Anyone who remembers the early internet remembers the plethora of search engines, and we all learned exactly why Google wound up top dog.
Example: If you play video games with a military theme the chances are you've just been subject to an expert lesson in ideology, which you paid hard earned money to receive. Which games were the most enjoyable? What were the general lessons you learned? They were developed by a very determined and motivated group of people. Particularly the special advisors on that project. If I wanted to enslave you, I'd certainly start out by discovering exactly what you enjoy the most. And then I'd give it to you.