My article was, I believe, the first to rebut those accusations:
http://news.cnet.com/8301-13578_3-57588337-38/no-evidence-of...I just happened to be reading that Greenwald article around the same time I saw your response, but I'm not relying on his analysis: I posted excerpts from both bills. They are similar, not identical, and I wrote about both at the time they were enacted.
I'm going to decline to speculate about personal biases and motivations.