[dеiтайожни]

Wrong. If you catch the criminal on a camera, and have video that you can actually make out (as opposed to the kiddie webcams you listed) the police will have a better chance getting that person off the street, which helps you and your family sleep better at night.

Also, with motion detection you can be alerted to a possible threat, view it, then take the proper actions before someone gains entry into your house. And then come the guns!