> If you have two doors to your house, there is little point in putting more locks on the front door when everyone knows you leave your back door unlocked. I'm

> If you have two doors to your house, there is little point in putting more locks on the front door when everyone knows you leave your back door unlocked. I'm familiar with this reasoning and formerly used it myself, but now I see it differently. You need to secure both doors; if you're the front door designer, 'the back door isn't secure either' is a poor excuse for not doing your job and it's counterproductive in securing the house.