Maybe SKS sees that the TCG thing isn't going as "planned" and will take many, many more years or not succeed at all and he didn't want to be on the hook.
“Where we see security for the Internet of Things is that that it is secure, but that it is communicating it is secure,” he said. “The new models for the Internet of Things is not only how to secure that device but how we communicate that... and communicate more richly with a variety of solutions.”
http://www.pcworld.com/article/2052809/intel-debuts-gateway-middlemen-for-internet-of-things.html#tk.rss_all
What will Brian Berger and Dr. Robert Thibadeau do?