the fact that he shows no ability to think, or write, anything that Apple doesn't deem he should think and write
This is not true. He shows some ability. Three recent examples:
1) http://daringfireball.net/linked/2011/10/26/against-skeuomor... 2) http://daringfireball.net/linked/2012/01/19/ibooks-author-eu... 3) http://daringfireball.net/linked/2012/03/13/att-4g