1. She grew up in Denmark 2. She works in the UK
From what I've heard, both are far more progressive and egalitarian than the US. If the people you know are based in the US, that could be the distinction.
I think the problems here are far worse.
[1]http://www.independent.co.uk/news/world/europe/sweden-and-de...
http://fortune.com/2016/01/11/survey-sexual-harassment-tech/
Of course every survey may be flawed or mistaken, and we need to read carefully how they define harassment, etc. But based on that survey and others, and my own anecdotal experiences, I don't think we should be surprised when a woman says she never experienced sexual harassment.
This is a large industry, with lots of different cultures and experiences.