The reason manipulative media doesn't work as well as you might expect is that people have a choice. Sure, the manipulative tricks you might decide to use seem to work, but people don't have to show up in the first place. Generally, the people who do show up for these low road attempts at manipulation aren't the right people to begin with. Countless businesses in search of a quick buck show up with obviously selfish scams involving 'exclusive' offers. And they fail. They fail because people who have a choice don't participate.
The data shows that the top blogs, top lenses, top magazines... they all follow the high road. If you need to be manipulative or non-transparent to make a buck, time to rethink the plan.
If you want, you can read his whole blog post here.