For the same reason why you shouldn’t listen to Tony Robbins. Second hand ideas are repackaged to induce emotions for reasons and causes potentially unrelated to the original.
Tony Robbins is a bullshiter. That's why I don't listen to him.
I listened to Naval with a critical eye, and read criticisms from HN. His ideas seems useful, but tilted towards selling Entrepreneurship as the only way to become wealthy, and creating the feeling that's his path is a safe bet.
