I took a security class where, amongst other things, we learned how to pick locks. After we learned how to do so with provided equipment, the instructor said

I took a security class where, amongst other things, we learned how to pick locks. After we learned how to do so with provided equipment, the instructor said "So since these locks are insecure, should I have them in my home? Yes, because if a motivated intruder wanted to come into my home, I still have windows."