He makes a clear and concise conclusion. The body of his argument should rightfully be assumed to be his supporting evidence. On the face of it I don't agree with the notion that wealth inequality is a non-issue, but I think it is a valid position and makes for an interesting discussion. However, "it's not the rich peoples fault, therefore it's not a bad thing" is a specious argument.

Further, you are suspiciously invoking the concept of a zero sum economy to make the point that you wish Mr. Henderson was making. Pretty sure you don't want to be doing this?