I'm kind of anti-home-security, personally. I know that's a weird thing to say, but I've always found it irritating that videos like the one you're referencing scare people to death when the fact of the matter is that you're safer in your home today that people have been at pretty much any point in history.
Scary shit happens in the world, but that doesn't mean I'm going to live my life scared.
EDIT: Just for fun, here's a chart I put this together a while back when discussing the Sandy Hook incident with some family members.
