This article is a capsule summary of what Wyman's been writing for about a year now. Here's a much more detailed piece:

http://www.splicetoday.com/politics-and-media/five-key-reaso...

The piece you're critiquing is a WSJ editorial, written for a generalist audience. Wyman may be the only media critic out there pushing the argument that it's not just the business model but the technical design of newspaper sites that's holding them back. It's hard to say there's nothing to his argument.