<generalization alert> Writers tend to be high-ideaphoria people. This should be pretty obvious. In my experience, many successful businesspeople are not high

<generalization alert> Writers tend to be high-ideaphoria people. This should be pretty obvious. In my experience, many successful businesspeople are not high-ideaphoria people. They may be very smart, talented, etc., but their tendency is toward singular focus, rather than an exploration of the interplay of ideas. So it seems natural they would tend not to write/blog. (And yes, I realize there are many exceptions, James Altucher being my favorite.)