Nothing that I've seen would suggest that's the case.
Here's a quote from a 63-year-old woman in a recent news report: "I have a family to protect and that's what I did. I protected me and mine."
The woman, a 63-year-old homeowner, was awakened by a bad guy shoving a gun into her face and screaming at her to give him money. She fought back and won.
From
http://blog.al.com/spotnews/2012/10/...ot_intrud.html
She's not uncommon. My files are full of similar stories.
pax