Hello, I was just reading this because its subject has caught my interest. I'm new here, and I wanted to share my experience with Kundalini.
I was recently introduced to Kundalini Yoga (due to my wife) in the summer of last year, and since then, my wife has been involved in learning Kundalini Yoga so that she may become a teacher. She is going through a program that requires her to complete many ours of not just Kundalini Yoga but other types of Yoga as well.
While I can't comment on how it relates to Hinduism because I have very little knowledge of it (thats why I'm here), I can tell you that her teachers and the people involved are some of the kindest, most caring people I have ever met.
I'm not sure who Guruvani is, and I'm certainly not here to debate his/her knowledge, or to debate anything for that matter. From what I see though, what my wife is learning, and subsequently passing on to me, is knowledge of the body, mind, and spirit. She has never been required or even asked to do anything that she didn't feel comfortable doing. There have never been any stipulations attached to her practicing Kundalini Yoga, and there most certainly have never been any negative/evil teachings. She would be the first one to leave if there had been.
As I said earlier, I'm not here to debate, I just wanted to share my experience regarding Kundalini. Others are certainly entitled to their opinions without question from myself or anyone else. Be well!