my impression of Eric (I don't know him, I've only talked briefly at a couple of conferences) is that if he disagreed with something or thought it had problems, he'd tell you to your face.
I sat in on his speech "Why Django Sucks, and How We Can Fix It" at Djangocon last year:
http://twitter.com/nodecore
It's good to see these Django guys having to use questionable tactics to challenge node.js.