I liked every bit of argument except for the comparison to Apple. Jeff Bezos, is a leader whom I can compare to Mark Hurd from HP, meticulous, calculative, statistical, whereas Apple is a completely different organization with completely different focus. But may be MG is correct.
In addition to this there was another good argument Medium and Being Your Own Platform – Marco.org for having your own blogging platform. When I read the blog, here is a screen that I came across.