In a further proof of point, looking at my childhood home from a military standpoint, the top of the stairs represents the "fatal funnel" and is the most logical place to defend.
As stated earlier in the thread, downstairs they are just a danger to the tv and Mom's lighthouse collection, upstairs they represent a threat to the family.
NRA Life Member
Ladyfriend: "I need help with the leaves in the yard"
Me: "Controlled burn?"
LadyFriend: "I forgot my Boy Scout turned into an infantry officer."