I'm not debating this point, but if you have some citations for this assertion, I'd love to read them. I've always heard and read otherwise.
I just completed a multiple-month-long process of converting a dynamic-domain application to support SSL-friendly URIs and implementing SSL on it's web servers based entirely on the concept of adding a green bar for boosting conversions (data isn't quite in yet to verify we did anything). I would really hope that I didn't waste multiple iterations on a pipe dream.