Intrusion with a 3D-printed key is deniable, while breaking a lock isn't. Someone could enter your house with a printed key and you'd never know it; a destroyed

Intrusion with a 3D-printed key is deniable, while breaking a lock isn't. Someone could enter your house with a printed key and you'd never know it; a destroyed lock would immediately tell you someone broke (or tried to break) into your house.